Cells have always hummed with activity. They make their own energy, package it into molecules like ATP, and spend it ...

Inside every living cell, proteins and membranes are in constant motion, reshaping, colliding, and flexing as they keep an ...

I see this problem all the time. The idea that if you apply a constant force on an object, it should move at a constant speed. Really, this is what Aristotle would say, right? There are two course ...

The answer to this question puts a spotlight on two revolutionary 19th-century scientists. In 1828, the Scottish botanist Robert Brown published his observation that tiny particles in suspension were ...