Germicide, a substance or agent that kills microorganisms. A disinfectant is a type of germicide that kills germs that cause disease. An antiseptic is sometimes considered a germicide but actually is not because it merely prevents or slows the growth of microorganisms.
Until now, no one has documented a definite case of chimpanzees using tools to hunt in the traditional sense. Find out what a new study on chimpanzees may reveal about human evolution.
It's scary enough to imagine a shark's toothy jaw snapping at your half-submerged body in the ocean. But the actual impact of its massive mouth clamping down? Surprisingly wimpy.