Evolution and Guinea Pig Toes (Science)
The name Experiment B - conducted in a government lab in Beltsville, Maryland, for the now-defunct Bureau of Animal Industry - holds an aura of secrecy and intrigue. If you had visited the facilities, you would've been greeted by a dual assault on your senses: first, your nose at the sharp aroma of alfalfa hay, wood chippings, and urine, then your ears by a cacophony of shrieks, whistles, and whines.