True or False? Did you know all of these? #08 #thewhyfiles #shorts

True or False? Did you know all of these?

Bats are blind. FALSE.

Bats primarily use echolocation, which is kind of like radar. But they can also see.

Shaving hair causes it to grow back thicker. FALSE.

It looks thicker because it grows back with a blunt tip. But it's not thicker or coarser than before.

There are more privately owned tigers than tigers in the wild. TRUE.

There are under 4,000 tigers living in the wild. There are almost 10,000 privately owned tigers in the US alone. And many more around the world.

China used more cement between 2011 and 2013 than the US did in the entire 20th century. TRUE.

The US used 4.5 gigatons of cement between 1901 and 2000. China, in just three years, used 6.6 gigatons.

Touching frogs gives you warts. FALSE.

Humans only get warts by touching other humans.