3-foot-long river creature with ‘sharp’ teeth discovered as new species in Vietnam
In a river of southern Vietnam, a 3-foot-long creature with “sharp” teeth swam through the murky water — or tried to, at least. Something closed around the wrinkly animal and pulled it toward the ...
These fish can spot their favorite divers (the ones with snacks)—here's how
For years, scientists felt like the fish they were watching watched them back. A new study suggests they can recognize a ...