C S Miller writes "Not much more to add. The BBC is reporting that 'Stephen Hawking is "very ill" in hospital.' He has had a few health scares before, and as a post-graduate he was told he didn't have much longer to live; he's now 67."
Today's scientific question is: What in the world is electricity? And where does it go after it leaves the toaster? -- Dave Barry, "What is Electricity?"