As a popular Books of Adam comic has pointed out, the most difficult thing to reconcile with as a cat owner is the fact that your cat’s butthole has touched pretty much everything you own. Sometimes, your cat will decide to put his or her gnarly hole on your face, completely casually. While it might seem vaguely threatening or confusing, a cat researcher tells Inverse it’s not as weird as you think.
In a matter of weeks, face masks went from being considered unnecessary, and possibly harmful, to mandatory in many places across the U.S. You’re forgiven if you’ve got a bit of whiplash.
You saw the pictures in science class—a profile view of the human brain, sectioned by function. The piece at the very front, right behind where a forehead would be if the brain were actually in someone’s head, is the pre-frontal cortex. It handles problem-solving, goal-setting, and task execution. And it works with the limbic system, which is connected and sits closer to the center of the brain. The limbic system processes emotions and triggers emotional responses, in part because of its storage of long-term memory.
Scientists have created a mouse embryo that’s part human — 4% to be exact.The hybrid is what scientists call a human-animal chimera, a single organism that’s made up of two different sets of cells — in this case, a mouse embryo that has both mouse cells and human cells.