#39 How do broken bones heal?
I learned this today. Unlike when skin heals, bones usually heal without a scar. When you cut yourself, your body’s primary goal is to replace the skin as quickly as…
I learned this today. Unlike when skin heals, bones usually heal without a scar. When you cut yourself, your body’s primary goal is to replace the skin as quickly as…
I learned this today. The most common kidney stones are caused when there are more minerals in the blood than the kidneys can reabsorb. Most people have two kidneys. The…
I learned this today. Scars are left after a wound because the body is trying to put a protective covering over the wound as fast as it can. When you…
I learned this today. Venus flytraps know when to close on an insect because of tiny hairs inside them. Venus flytraps are carnivorous plants that grow in the subtropical wetlands…
I learned this today. We can’t see colors in the dark because our eyes detect light waves in two different ways. In our eyes, we have rods and cones that…
I learned this today. Why would we evolve with a throat and windpipe that are so close together we can choke? In 2019, 5228 people choked to death in the…
I learned this today. An electric eel produces electricity in the same way that a battery does. Electric eels usually grow to be about 2m long and they have three…
I learned this today. Hibernation is not the same as sleeping. Animals sometimes have to come out of hibernation to be able to sleep. Hibernation is basically an energy-saving technique.…
I learned this today. Seasickness is caused because of a discrepancy between the vestibular system and the eyes. Just inside your head, you have your inner ear which is used…
I learned this today. Vultures can eat rotten meat that would make us very sick because their stomach acid is 100 times stronger than ours. If you or I were…