Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

Turtles have roamed the Earth since the Triassic Period over 200 million years ago. A new study about their evolution, published in iScience, shows how the scales on turtles' heads can teach us more ...

If you brush against the wings of a butterfly, you will likely come away with a fine sprinkling of powder. This lepidopteran dust is made up of tiny microscopic scales, hundreds of thousands of which ...

The scales of the pirarucu (Arapaima gigas), which can reach up to 7 centimeters long, give the fish an almost impenetrable armor. They are light, flexible, and at the same time, highly resistant, all ...

There are three main types of geothermal power plants: dry steam plants that send geothermal steam directly from the ground into the turbine, flash steam power plants that convert hot groundwater to ...

A scale drawing of a bridge has the same shape as the real bridge that it represents but a different size. Scale drawings close scale drawingAn accurate drawing, or model, of a representation of a ...

Learn about the unique way turtles create their scales and how it’s revealing an ancient evolutionary link to dinosaurs, crocodiles, and birds. Turtles have roamed the Earth since the Triassic Period ...