Tessa Koumoundouros

[ad_1] More than half a billion years ago, mystery predators bored into shelled animals’ defensive casings. Some of the holey shells became fossilized, and now tell us the story of the earliest known battle between predator and prey that influenced both species’ evolution. “This critically important evolutionary record demonstrates, for the first time, that predation […]

[ad_1] US researchers have found an astonishingly simple brain circuit of just three types of neurons controls chewing motions in mice, and has a surprising impact on their appetite too. “It’s surprising that these neurons are so keyed to motor control,” says Rockefeller University neuroscientist Christin Kosse. “We didn’t expect that limiting physical jaw motion