YouTube robotics tutorials helped 17-year turn his concern for his grandmother into a device that alerts carers if Alzheimer’s patients fall or wander off
Editorial: Over the holidays, this column will explore next year’s urgent issues. Today we look at the challenge to regulate science that seems to defy comprehension
Just below billionaires’ charity is an endless well of self-preservation. Their desperate planning for the end betrays everything they spout about equality and progress
Simon Thomas knew the periodic table by heart at six. Now the Cambridge firm’s co-founder is putting his scientific brain behind graphene’s power to help us compete with China