Pee in a swimming pool could start an unpleasant chemical reaction with chlorine
Though plankton drift with the ocean currents, that doesn’t mean they’re incapable of any movement. Many of them can move to find food or mates, and they do so in some surprising and sometimes entertaining ways.
Perhaps it’s time we stopped feeling quite so bad about eating octopus. Octopuses dine on other octopuses, too. And for the first time, that behavior has been caught on video in the common octopus in the wild—three times.
Robot octopuses can already walk, jet along and even grasp tools. But new advances have these machines swimming faster than ever. And thanks to the addition of soft, fleshy webs, they’re starting to look—and move—much more like the real thing, too.