LifeRobot version of our distant ancestor hints at how we learned to walk A robotic version of a four-legged animal that lived 290 million years ago suggests it had an efficient walking style despite spending some of its life in water ¿ìè¶ÌÊÓÆµ
LifeQuiz of the year: Test your knowledge of 2018’s science stories What is the punk turtle’s secret power? Or the US Navy’s newest secret weapon? Find out how well you’ve been paying attention with our fun festive quiz Regulars