For the first time, high-resolution time-lapse videos of tiny bits of living plants show how they assemble their protective cell walls, researchers report March 21 in Science Advances. The image ...

Imagine if our bodies could grow new organs throughout our entire lives. Plants do this constantly, thanks to the tiny, powerful reservoirs of stem cells. But how do these cells know when to divide, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...