The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Termites work 24 hours per day and they do not sleep.
57
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
All clams start out as males; some decide to become females at some point in their lives.
50