Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
If two pieces of metal touch in space, they become permanently stuck together.
807
The smell of freshly cut grass is actually a plant distress call.
31
Sharks have been on the planet longer than trees.
14
Researchers say that lining the toilet seat with paper is pretty much pointless
8
A scorpion can hold its breath for up to 6 days.
19
