A Moment of Science
Lab researchers have noticed that the baby rats whose mothers spent more time grooming and fussing over them grew up to cope better with the challenges of laboratory life. They were more comfortable exploring open spaces, and stayed calmer during stressful situations.
In the wild, unshod hooves grow downwards approximately two-tenths of an inch per month. A wild horse’s natural daily activities, however, wear away the hoof at roughly the same rate, maintaining the proper balance between hoof wall and sole.
Today, on A Moment of Science, why lips go dry. Let’s start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats the inside of our mouths. This [...]
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