ÎçÒ¹¸£Àû1000¼¯ºÏExoskeleton reveals lengths we go to save energy when walking

 We naturally shift our gait even if it saves minuscule amounts of energy – a finding that could help people with spinal injuries learn to walk again News
Continental break-up set the stage for life in Earth's mantle The first evidence that ancient microbes colonised subsea mantle rock hints at how life might have emerged on Earth – and even other worlds News