Dance mat-style game helps stop older people falling

Nuclear fusion reaction releases almost twice the energy put in

iPod 'squeaks' betray software secrets (2005)

Satellite beamed power from space to Earth for the first time ever

AI comes up with battery design that uses 70 per cent less lithium

Watch a robot with living muscles walk through water

First tunnel to a magma chamber could supercharge geothermal power

Multiple sclerosis genes may have arisen to ward off animal infections

Animal bones ground into an edible paste could help reduce food waste

The tightest knot ever made is a tied-up chain 54 atoms long