Rattlesnake mating sessions have been known to last more than 22 hours.
232
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Whales and dolphins can't taste anything other than salt.
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Drivers kill more deer than hunters do.
660