50th Anniversary of DNA's Discovery 161
nxg125 writes "The New York Times has a section on the 50th anniversary of Watson & Crick's discovery of DNA. Lots of good articles about the discovery, Watson & Crick themselves, and where this information will take us from here."
Rather, (Score:5, Informative)
50 years since the discovery of its structure.
Re:Rather, (Score:4, Insightful)
Re:Rather, (Score:4, Informative)
And to nitpick even further, Watson and Crick didn't discover the structure. They formulated a model for the structure which was the first to accurately describe all of the scientific observations made up to that time. X-ray crystallography couldn't get high enough resolution to unambiguously prove the model for another few decades. At the time they proposed the model, there was not sufficient data to be absolutely certain about its accuracy. In other words, they did some masterful guesswork. The remarkable thing about W&C's original model was how accurate it was.
Dr. Crick later postulated the central dogma of molecular biology, which states that DNA is replicated for inheritance, is transcribed to RNA, and that RNA is translated to protein. The central dogma is now well-established, but was certainly not when Crick proposed it. The role of RNA in protein synthesis was rather foggy at the time. Crick was a remarkable scientist who certainly deserved the Nobel Prize. The field of molecular biology has benefitted immeasureably from his contributions.
The same goes for Linus Pauling. W&C beat him to the DNA structure, but he made some great contributions to the field nonetheless. Pauling's DNA structure was based upon the protonated form of DNA - where the phosphodiester backbone is electrically neutral. There is actually a -1 charge on phosphates in DNA, which is one of the reasons why the backbone wraps around the outside of the molecule. In his triple helix model the backbone was on the inside of the molecule, with the bases pointing out. This would made sense if the phophates were neutral, because they wouldn't repel each other. Having the bases on the outside also made sense because if the information was contained in the bases, then they ought to be accessible. He also had the wrong tautomeric forms of the bases, so the base pairing with hydrogen bonds wouldn't work properly. His was a good model. He was doing some good work. Just barking up the wrong tree.
Pauling's greatest contributions were in protein structure. He proposed the alpha helix secondary structural element, which is found everywhere in proteins. If folding@home makes any progress whatsoever, they are building on the work of Linus Pauling.
end nitpick;Discovery of DNA prevented by co-ed universities? (Score:5, Interesting)
Re:Discovery of DNA prevented by co-ed universitie (Score:2, Interesting)
Re:Discovery of DNA prevented by co-ed universitie (Score:4, Funny)
Given the number of gay men at Cambridge and the number who had been to British public (=private) schools and did not know the connection between women and the equipment below the waist, anybody heterosexual would have to be totally socially unacceptable or alternatively single by choice.
Re:Discovery of DNA prevented by co-ed universitie (Score:1)
Re:Discovery of DNA prevented by co-ed universitie (Score:1)
From the Double Helix (warning not for feminists!) (Score:3, Funny)
50th anniversary rememberance.. (Score:5, Informative)
Re:50th anniversary rememberance.. (Score:5, Interesting)
Ah, but which paper? (Score:3, Interesting)
Re:50th anniversary rememberance.. (Score:2, Interesting)
Don't blame Crick for how Franklin was treated. IIRC, he didn't know where the X-Ray pictures came from. And when Watson was publishing The Double Helix, he made Watson add a little postscript at the end, supposedly apologizing for the caracature "Rosie", which is how Watson described her in the main part of the book. But if you read his "re-appraisal", it sounds insincere at best.
And what is even more galling about the book is that Franklin had died (ovarian cancer) a few years earlier, and so could not defend herself. It wasn't until the 1970's, when some feminist researchers started digging, did the details start to emerge.
Re:50th anniversary rememberance.. (Score:4, Informative)
Watson and Crick built a worable model, including complementary base-pairing, and they went on to describe the semiconservative method of DNA synthesis (which of course was shown to be valid).
Rosalind certainly derserves credit for her work with x-ray diffraction (and she gets it), but she didn't give the world a model of what DNA looks like
Re:50th anniversary rememberance.. (Score:2)
Re:50th anniversary rememberance.. (Score:2)
Re:50th anniversary rememberance.. (Score:2)
However, she did her work before Watson-Crick and she was sold out by her advisor who gave her experimental data to Watson without telling her. So what if she didn't think up the model based on her data, Watson did... and he didn't even acknowledge it!
Her experimental results lead to Watson and Crick's theory... and they didn't acknowledge it. That is a severe breach of scientific ethics. Just like Pete Rose isn't allowed in the Hall of Fame for his ethics breaches, Watson and Crick should have never gotten the Nobel prize.
Re:50th anniversary rememberance.. (Score:3, Interesting)
It's certainly true that Franklin hadn't determined the structure correctly, but remember that she was virtually isolated in Oxford (thanks mostly to her personality conflicts with Maurice Wilkins.)
Also, remember that Wilkins gave (without her knowledge or permission) Franklin's pictures to Watson. Without those pictures, it might have taken Watson longer to put the pieces together, and he wouldn't have had Franklin's high-quality (far better than Watson could do himself) pictures to verify the correctness of the structure. In that time period Franklin may have been able to deduce the structure herself, or perhaps Pauling would have gotten it right.
The real tragedy is the way Watson treated Franklin, both in his scientific work and in his writings. Watson has become the poster boy for "the end justifies the means." I can't recall ever being more disappointed in a book than I was in The Double Helix.
Re:50th anniversary rememberance.. (Score:3, Insightful)
The real tragedy is the way Watson treated Franklin
No, the real tragedy is that she died of ovarian cancer in 1958. For her to have done as well as she did in that era, she clearly must have been absolutely brilliant. And she did great work after DNA too- Aaron Klug won the Nobel for a project that Franklin was working on when she died. Birkbeck College (where she ended up) has a page about her which says she should have won two Nobels, if not for her untimely death.
Re:50th anniversary rememberance.. (Score:5, Insightful)
Re:50th anniversary rememberance.. (Score:1)
But yeah, you are right. The point I was trying to make was that Franklin DIDN'T determine thee structure of DNA. So although her work was important, she can't be given credit for what Watson and Crick did.
I also agree that it was a shame that the times held her back. When someone can contribute, and they are willing to, then we should allow them too. All advances in science are for the benefit of humanity, regardless of the gender of those individuals behind them.
ages... (Score:3, Insightful)
The human genome is read, but still we need to figure out: given a sequence of letters (out of the four), what protein (3-D structure, function, reactive parts etc) is associated with it? How is it cut into introns and exons? What sequence of letters can act as regulators? (without such answers I find the human genome project pretty useless)
Still, a Nobel well awarded to Watson and Crick, I'd say.
Re:ages... (Score:2)
Virtually all of this requires significant experimental work, to varying degrees- I wouldn't call this the "computational part" under any circumstances. Some things can be done at least partway through bioinformatics; introns and exons, for example. For protein structure and function the best we can do is use homology to proteins of known structure and/or function. To get the high-resolution structure, it still needs to be crystallized. . . which can be a colossal pain in the ass. Computational studies will not be a substitute for this until after all the protein structures have been solved experimentally anyway.
50 years! (Score:4, Funny)
Maybe thats where that "Sugar and spice and everything nice" thing came from?
Re:50 years! (Score:2)
More about Rosalind Franklin (Score:5, Informative)
That reveiw further goes on to say that... According to Watson's best-selling 1968 account of the great race, The Double Helix, Franklin was not even a contender, much less a major contributor. He painted her as a mere assistant to Wilkins who "had to go or be put in her place" because she had the audacity to think she might be able to work on DNA on her own. Worse yet, she "did not emphasize her feminine qualities," lamented Watson, who refers to her only as "Rosy." "The thought could not be avoided," he concluded, "that the best home for a feminist was in another person's lab."
Sounds like Watson was *quite* the ladies man =)
Not really correct (Score:2, Insightful)
Re:Not really correct (Score:4, Insightful)
The original Watson/Crick paper specifically thanks Dr. R. E. Franklin. What more would you have them do?
Co-authorship on the the paper. A standard practice for someone who gives you the crucial bit of data.
Re:Not really correct (Score:2, Informative)
so, watson is a twit. (Score:1)
On Watson and his reputation as a "ladies man". Um. Let's just say that my mother was in college in the mid to late 1960's and she remembers him well. But not fondly.
If any of you have the chance to see Watson speak, you will realize that the man is pretty nuts. I heard him speak at NIH a few years ago and spent most of the seminar with my jaw dropped. He insulted women, of course, big people, Asians (he referred to them as "little yellow people") and then went on to insult every prominent scientist in the audience. Now, while the third group of people deserve some insults occasionally, the rest of it was just stupid. I remember coming out of the auditorium thinking that Watson is a colossal jacka**. A year or two later he lectured at UC Berkeley and several faculty walked out on his lecture because it was so offensive.
Anyway, he did some good science, but he isn't a Great Man in any way shape or form.
watson is a twit. and i can't count. (Score:1)
Now it's time to work out the folding... (Score:5, Informative)
http://folding.stanford.edu
now this is a distributed project that's producing results.
DNA is useful, and was an excellent discovery, but it's kinda like discovering the motherboard, and not understanding how any of the information is transmitted. Folding at home allows anyone with spare computer cycles to help out and understand how the proteins fold to their lowest/near lowest energy state and how they interact in the body.
Already some medical advances have been made, but there's still a long way to go.
Re:Now it's time to work out the folding... (Score:3, Informative)
Not that Folding@Home isn't after equally noble goals. Just giving options.
One major downside of UD is that they don't have non-Windows clients, so if that's an issue go with Folding.
Grid appears to be running a few other... interesting... projects as well. There's the Smallpox Project [grid.org], designed to find a Smallpox counteragent, and the PatriotGrid [grid.org], which is hopes to find counteragents/vaccines/whatever against a wide variety of bioterrorist agents.
I think I'll stick with Cancer research.
Re:Now it's time to work out the folding... (Score:2)
Folding@Home does molecular dynamics simulations to investigate the pathway of protein folding. It does not predict the final structure, at least not to useful resolution. It is simply a biophysical simulation. Pretty cool at that, but people misunderstand it.
The UD Cancer Research project is doing "virtual library screening" - essentially, docking many small molecules to proteins of known structure, sampling many conformations to determine which candidate compounds bind with the greatest affinity. The idea is that it will screen out the worst candidates, leaving many fewer to be verified experimentally.
Many people are doing the latter; it's the basis of computational drug design. I think the other projects you mentioned are doing exactly the same sort of simulation. *If*, and only if, it works, it will actually be medically useful (though it still requires a lot of grunt work to verify the predictions).
Re:Now it's time to work out the folding... (Score:2)
One majr downside of Folding is that they only support Windows, Mac OSX and Linux (x86 only). Where's the IRIX, Solaris, BSD? How hard can it be to recompile, you would assume it was cleanly written from the fact that it already builds on two variants of Unix. Or why couldn't they have written their computation core to run within distributed.net's client and not only saved themselves some work, but benefitted from greater participation?
Folding's cool, and I run it on my Dell, but given that I'm simply not interested in the clients that are available, I have MIPS (etc) hardware with plenty of spare cycles.
Folding at home allows anyone WHAT? (Score:2)
Right. And running Linux allows anyone doing to to understand the finer points of C programming, multitsking OS design, memory management, file systems, video drivers and so forth and so on. [/sarcasm]
It's only a program. Running it, in the background as designed, has as much impact on one's understanding of what it does, as the program has on the apparent performance of the computer running it. Specifically, no appreciable impact what so ever.
Re:Folding at home allows anyone WHAT? (Score:2)
more correctly.
Folding at home allows anyone with spare computer cycles to help out and further mankind's understanding of how the proteins fold to their lowest/near lowest energy state and how they interact in the body.
Is that better?
Re:Now it's time to work out the folding... (Score:2)
To take your absurd motherboard example, understanding protein folding is more akin to understanding the principles of electromagnetism. It still won't tell you how the thing works.
I haven't seen anyone doing interaction studies via biophysical simulation - it's all been done by other means. It's hard enough to simulate the folding of a small peptide chain; we're certainly not ready to study interactions of entire subunits.
Re:Now it's time to work out the folding... (Score:2)
Yeah, I was pretty tired when I came up with taht metaphor. Sorry for the painfulness of it.
I'll try to come up with a better one. It's pretty hard when it comes to proteins, dna and all.
Re:Now it's time to work out the folding... (Score:2)
Music to Commemorate the 50th Anniversary (Score:2, Interesting)
In commemoration of the 50th anniversary of the discovery of DNA and the double helix, sTRANGEmUSIC presents the world premiere of GENOME: The Autobiography of a Species in 23 Movements for Music & Video. Composed and directed by Patrick Grant, it is based on the book by award winning science author Matt Ridley. The work will be given two performances on February 27 and 28 (the latter date being the actual anniversary of the discovery) at 8:00 PM on each night at the ANNINA NOSEI GALLERY located at 530 West 22nd Street, New York City (10th & 11th Aves.) on the 2nd floor.
No Password (Score:4, Informative)
More on Rosalind Franklin (Score:2, Informative)
Supposedly the only reason this misconception has never been officially corrected was because the Nobel Prize cannot be awarded posthumously.
Re:More on Rosalind Franklin (Score:1)
The thing is, they knew what they were looking for. They stumbled across gold, but they were looking for gold. And they knew it when they found it.
And they were lucky, too
Rosalind Franklin was well on the way to getting the structure, but Watson and Crick were valid contenders. And a lot of her work was in the public domain.
Re:More on Rosalind Franklin (Score:4, Insightful)
On the contrary, if anything there's speculation that the Nobel committee waited for her to die so it was uncontroversial to award the prize to Watson, Crick and Wilkins. (There being a limit of three recipients.)
Basically, however much Franklin was overlooked at the time, overcompensation and political correctness have led to her contributions being overestimated now. She had data, so did a lot of people. She might have worked out the structure on her own; Pauling certainly would have. Fundamentally, Watson and Crick made the breakthrough others didn't and they deserve credit for it.
Life Story (Score:5, Informative)
If you get the opportunity (it has been shown a number of times on US and UK TV), it is worth seeing as a very fair-minded and interesting history of the discovery. Unfortunately, I don't believe it is available on video, unless anyone knows different.
Re:Life Story (Score:2, Informative)
and software makes the bioworld go round (Score:5, Insightful)
info: sanger center Cambridge was one of the centers that they helped sequence human DNA
why ? Because of the ability to patent squences of DNA
(that drug companies get rich off) they had to do it before evil companies did like Celera Genomics who used a more inactuate method (shotgun) but evily patented it
welcome trust is a huge Charity that funds research in this area
ptenting DNA is silly these are naturally occuring things (squences) they where not created just discovered its all very silly
Cuba and alot of africa are starting not to recognise these patents as they would like to build the drugs that help AIDS and HIV
its sad that AIDS and HIV has to come along just to show the world that patents are stupid on DNA
anyway
here is lots of software related to DNA [sanger.ac.uk]
regards
John Jones
patents and DNA (Score:2, Interesting)
So a drug company come along and patent a sequence of DNA. "We own this, " they say. "It's ours."
Does this not imply that they accept responsibility for any disease causing properties of the sequence?
It would be sweet if those same companies that patented interesting sequences of cancer causing genes, so that they could exclude the competition, were then liable to anyone sick because they possesed that particular mutation.
Just dreaming...
Re:patents and DNA (Score:2, Insightful)
Re:and software makes the bioworld go round (Score:3, Informative)
No. You can't patent sequences of DNA. You can only patent potential uses of that DNA. So, the use of BRCA2 in a diagnostic test for predisposition to breast cancer is patented in much the same way that a test for the protein it produces being used for a diagnostic test for predisposition to breast cancer could be patented (and probably is).
Biotechnology companies do, however, take the piss here. Upon finding a gene and gaining some idea about its function, they have a tendancy to file several hundred patents covering every possible uesful application of that gene.
Re:and software makes the bioworld go round (Score:2)
(that drug companies get rich off)
Please, to make your point stronger, name ONE company that got rich with patents on DNA.
No, not even one?
Re:and software makes the bioworld go round (Score:2)
Well, many have tried. Myriad Genetics [google.com], for one. Most of the companies who hoped to make it rich this way (Incyte, HGS, Millennium) are aparently having problems - this was a Slashdot article about a month ago.
Re:and software makes the bioworld go round (Score:2)
You're right, but then again your observation is pointless because no-one is patenting DNA sequences. They are however patenting drugs and therapies that are discovered as a result of studying the sequence. That's no different from patenting any other drug.
Now, you may not think that companies are justified in getting a return from their investments of hundreds of millions of dollars in research, but that's irrelevant here, because you have demonstrated that you simply do not understand the issue. Also note that without that investment of private money, the medicines would simply not exist.
Cuba and alot of africa are starting not to recognise these patents as they would like to build the drugs that help AIDS and HIV
Really? Please post an example of a modern medicine developed by Cuba or an African nation. Please also post, in USD or the currency of your choice, the amounts invested by Cuba and African nations in biotech research, and the numbers of researchers working in each of those countries. For further credit, you may compare and contrast those numbers with the West.
Celibrate with a drink (Score:3, Funny)
Other points of interest (Score:3, Informative)
Re:Other points of interest (Score:2)
(I was struck how one of the DNA repair mechanism was like that bizarre DLL restoration mechanism in WinXP... not so daft after all?)
Are they issuing a supplement or book? I couldn't make this from the site.
I find it interesting... (Score:5, Interesting)
the construction of a super-computer from DNA.
50 years from discovery to super-computer technology. Can you say "accelerating returns"? Can ya? Sure you can!
The Energizer Bunny of Genetics (Score:2, Informative)
I like this part (from NYT- my school, Rice University, gives us the NYT at breakfast every morning!)...
Dr. Crick published an article on the nature of consciousness just this month.
Dude, what a beast this guy is! Still going! Has anybody found this article new article of his? It would be neat to read...
Progress (Score:2, Funny)
Limited edition print (Score:2)
The Pursuit of Happiness (Score:3, Interesting)
The only thing worse than the oppressive heat, was the abortion protestors who surrounded the perimeter of award ceremony with their stupid yelling. I had never seen protests like this at another liberty award. The abortion protestors and their wall-sized dead fetus posters were nowhere to be found when Colin Powell got his medal. As if the discovery of the structure of DNA was somehow responsible for abortion.
Watson made a great speech [cshl.org] that touched on their discovery, politics in a time of war, God and science, happiness and endorphins. Reads even better in 2003 than it did in 2000.
Or as the Brits say (Score:3, Funny)
Re:Or as the Brits say (Score:1)
Re:Or as the Brits say (Score:1)
Re:Or as the Brits say (Score:1)
The original model (Score:4, Informative)
http://www.sciencemuseum.org.uk/ [sciencemuseum.org.uk]
DNA structure [nmsi.ac.uk]
Re:The original model (Score:1)
Re:Aren't we forgetting someone? (Score:2)
Furthermore, what Watson and Crick published was, as I say, the discovery of the STRUCTURE of DNA, not of DNA itself. The chemical consituents of DNA and the fact that it was the agent of heredity was already established when the double helix structure was deduced.
Re:Aren't we forgetting someone? (Score:5, Interesting)
Re:Aren't we forgetting someone? (Score:1)
Re:Aren't we forgetting someone? (Score:2, Insightful)
chauvinist pig "colleagues"
Now, while I am not goin to say for certain it was or was not a sexist act to use her work and not give her credit, the link you point to does not really indicate more than simply despicable inter-academic rivalries-- I think they would have screwed over a guy in much the same way.
Remember, just because it happens to a woman doesn't mean the motive is at all sexist, much like if it happens to a black its racist or if it happens to a white guy it's justice.
Re:Aren't we forgetting someone? (Score:3, Insightful)
Re:Aren't we forgetting someone? (Score:5, Insightful)
In science, the people who make the final discovery get more credit than the people who did the work that made this discovery possible. Chauvinism has nothing to do with it.
(On the other hand, Watson is one of the less pleasant people that I've had the poor fortune to meet)
Re: Aren't we forgetting someone? (Score:1)
> In science, the people who make the final discovery get more credit than the people who did the work that made this discovery possible.
Yeah, the Nobel Prize propagates a sort of mythological science where heroes make heroic discoveries. In this case, the discovery of the structure clearly depended on knowledge of the molecule's helicity, which in turn depended on knowing which molecule to look at, which in turn depended on lots of other important work in biochemistry. IMO, the thousands of no-names are every bit as important to the progress of science as the Nobel winners are.
Re:Aren't we forgetting someone? (Score:2)
Re:Aren't we forgetting someone? (Score:1)
Re:Aren't we forgetting someone? (Score:3, Interesting)
Re:Aren't we forgetting someone? (Score:1)
Re:Aren't we forgetting someone? (Score:1)
http://www.molbio.su.se/restriple.html
Re:Aren't we forgetting someone? (Score:1)
(Please pardon the pedantry. Pet peeve.)
Re:Aren't we forgetting someone? (Score:5, Informative)
Re:Aren't we forgetting someone? (Score:1)
Re:Aren't we forgetting someone? (Score:2)
Direct from the source (Score:2)
Re:Aren't we forgetting someone? (Score:1, Offtopic)
Any great discovery tends to be associated with a number of important but lesser discoveries, whether of theory or technique, and it would be nice if we could recognise those appropriately rather than have to try and link them directly with the main advance.
In two other cases of the last century, I have heard Mrs. Einstein got the money from the prize in exchange for allowing Albert all the credit, and Scientific American and other journals continue to link Jocelyn Bell Burnell's name with Geoffrey Hewish's. The mills of God grind slowly, but they tend to get there eventually.
Re:Aren't we forgetting someone? (Score:1)
Re:Aren't we forgetting someone? (Score:1)
Re:Aren't we forgetting someone? (Score:1)
http://www.chemheritage.org/EducationalServices
I imagine Gates will be remembered as the person that invented computers in 50 years.
But she would have recieved the Nobel prize had she not died of cancer at an early age. As I recall she was off track thinking that DNA was three strands. When Watson and Creek got all the information, without her knowlage, they put the pieces together.
Re:DNA Decode (Score:4, Informative)
http://www.nature.com/nature/dna50/ [nature.com]
The page has links to all the original 1953 articles.
Re:DNA Decode (Score:2)
We have also been stimulated by a knowlege of the general nature of the unpublished experimental results and ideas of Dr. M. H. F. Wilkins, Dr R. E. Franklin [snip]
Looks like a credit...
Re:DNA Decode (Score:4, Interesting)
The genetic code, which is used to convert genetic information into actual proteins which do the physical work of life, was not discovered until quite a few years later. Crick made a number of important contributions to the discovery of the genetic code, but he isn't credited with it.
Here's a writeup on the history of efforts to decipher the genetic code. [sigmaxi.org]
Re:DNA Decode (Score:1)
Re:DNA Decode (Score:2, Informative)
I forgot about "The Fly" (Score:1)
The man is a DNA disaster area!
Re:Rosalind Franklin (Score:4, Interesting)
Why was I marked as a Troll and as Flamebait? Doesn't anyone have a clue what happened in the past? Do the research yourself if you don't believe me. Watson and Crick did not discover the helical structure of DNA, Rosalind Franklin did. Is Slashdot full of people who either have a HS education only and/or have never learned about past scientific achievements and who actually makes the discoveries as opposed to who actually gets the credit? The facts about the history of who discovered DNA stand, whether I am marked as a troll or flamebait or not.
Go to http://www.accessexcellence.org/AB/BC/Rosalind_Fr
Quote "After Randall presented Franklin's data and her unpublished conclusions at a routine seminar, her work was provided - without Randall's knowledge - to her competitors at Cambridge University, Watson and Crick. The scientists used her data and that of other scientists to build their ultimately correct and detailed description of DNA's structure in 1953...it is a tremendous shame that Franklin did not receive due credit for her essential role in this discovery, either during her lifetime or after her untimely death at age 37 due to cancer."
Re:Rosalind Franklin (Score:2)
Maybe it is because you are spouting off rather zealously and aren't totally correct. First, it is X-Ray Crystallography (not, chromatography). This helped solve the structure of DNA, not discover DNA itself (as you correctly point out). That traces back to Haeckel in the 1860's or Altman in the 1880's. Secondly, Franklin likely got screwed. She did not, however, solve the structure of DNA. Watson and Crick did that. She provided the one piece of data that helped them build their model. She may have even suggested that the phosphate backbone was on the outside of a double helix. Watson and Crick built a model with atomic resolution, and they were correct. Although what they did may have been unethical, they still did a lot of work. It isn't as if Dr. Franklin had a molecular model of DNA in her office, and they crept in and stole it. This is just another story of the crappy stuff that goes on in academic science. It just happened that this was a big finding. Hopefully, Franklin's contributions will be remembered appropriately.
-Sean
Re:Rosalind Franklin (Score:2)
yes, you were marked as a troll and Flamebait.
"The scientists used her data and that of other scientists to build their ultimately correct and detailed description of DNA's structure in 1953"
she did not make the discovery. Her method brought forth the data that lead to the doscovery of the double helix.
Re:Watson and Crick, or ? (Score:2, Informative)
Re:Rosalind Franklin (Score:2)