10 Fun Facts About Science & History
Introduction Why do female sharks have thick skins? How many bones are in your body? What color are the eyes of a scallop? What did people do before there was toilet paper? Find out the answer to these questions and more in this offbeat list of fun facts in science and history . Female sharks have thicker skins than males Female sharks have thicker skins than males. Scientists think it's because males have this odd tendency to bite females while mating. Despite this, sharks sometimes still gather in large quantities. In February 2016, researchers reported that more than 10,000 blacktip sharks were lurking together off the Florida coast. Understandably, though, pregnant female sharks seem to avoid males on migration routes. Who wouldn't? The ocean is 8 Empire State Buildings deep The ocean is 12,080.7 feet (3,682.2 meters) deep on average. That's about eight Empire State Buildings, stacked one on top of the ot...