Biologists say the appendix isn’t useless after all. Evolution kept reinventing it, and it may help support gut immunity and ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

Welcome back to the Fluctus Channel for a feature about how state-of-the-art aircraft are washed and painted with novel tools. The trades that contribute to the upkeep of airplanes are undergoing a ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The story of how us humans—and other mammals—got our noses may have just gotten more complicated. This is the conclusion ...

Nobody likes to wait, and we are willing to pay to avoid it. Expedited shipping, fast food and video streaming are all profitable because they reduce or eliminate that wait. You can test this by ...