timothy from the stick-timekeeping-duties-to-the-intern dept.
ananyo writes "In a tongue-in-cheek contest of microscopic mobility, a line of bone marrow stem cells from Singapore beat out dozens of competitors to claim the title of the world's fastest cells. They whizzed across a petri dish at the breakneck speed of 5.2 microns per minute — or 0.000000312 kilometers per hour."
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?"