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
Bats sleep 18-20 hours per day.
5
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The most expensive cow in the world was sold in 2009 for $1.2 million.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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Alligators can live up to 100 years.
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