Forget about dogs: Dinosaurs wagged their tails too

Dogs wag their tails when they are happy, but dinosaurs wagged their tails when they walked, according to new simulations. Researchers from the Queensland Museum and colleagues created simulations to show how a Coelophysis – a 210-million-year-old theropod, weighing around 15 kilograms – would walk. Computer simulation of extinct theropod dinosaur Coelophysis running at maximum … Continue reading Forget about dogs: Dinosaurs wagged their tails too

A new kind of power walking

Scientists are constantly searching for new and clever ways to make electricity. Earlier this year, for example, Cosmos reported on a new device powered by a microbe that, the US creators say, can generate it from moisture in the air. Others are working on clothes that can produce electricity, offering the enticing promise of plugging … Continue reading A new kind of power walking