Condoms were originally made of animal intestines or linen.
347
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Giant Anteaters' front legs look like a panda.
48
The colossal squid has the largest eyes in the world.
4