We are all familiar with vocalizations in the animal world. For example, dogs bark, birds sing, frogs croak, and whales send forth their own distinct...
Wisdom teeth crowd most mouths. We no longer use these teeth, so why do they take up space in the backs of our jaws?
Back in 2008, the Wall Street Journal...
The InSight robotic lander found evidence in the interior of Mars for the existence of an active giant mantle plume, a large blob of molten rock that...