How plants decide their size: Study maps plant growth strategies across roots, leaves, and stems

What makes plants grow to a certain size? From the tiniest cells to whole leaves, roots, and stems, growth has to be ...

Evolution and human height: Mathematician calculates physical limits to how tall we can grow

The tallest man to ever live was Robert Wadlow, who reached a staggering 2.72m. That's equal to a very large male ostrich or Shaquille O'Neal with two bowling pins balanced on his head.