The first complex life on Earth got eaten to extinction Fossil evidence suggests it wasn't climate change that killed off the enigmatic Ediacarans, Earth's first complex life, but competition from Cambrian life forms 51¶¯Âþ
Painful baldness cure: Regenerate hair by plucking what's left It's not for the faint hearted but it works in mice. When enough hair is plucked out, an immune signal sent to nearby hair follicles triggers extra hair to grow back 51¶¯Âþ