Don't expect cheap renewable energy from the Internet giant Google, after all. The company has abandoned its ambitious plans to make renewable energy cheaper than coal.
You probably wouldn't attempt to run a marathon without any training. Yet that's exactly what migratory birds do when they set off on their epic journeys.
David Fastovsky, who described the nest of fossilized baby dinosaurs in a journal article this month, calls Protoceratops "a fascinating and unexpected mass of contradictions."
Butterfly wings consist of many-layered nanostructures. Mimicking them, an international team of researchers has created a silicon wafer that traps both air and light.