EarthIce-age nettles may survive in dark Chinese caves Walk into a cave in south-west China and you could be stepping back 30,000 years – they could be a time capsule preserving rare nettles from the last ice age 51¶¯Âþ
LifeLife-like cells are made of metal A chemist intent on proving metal-based life is possible has produced cell-like bubbles from metal oxides 51¶¯Âþ