Health

Poor toilet hygiene behind E. coli superbug spread

Image copyright Getty Images People not washing their hands after going to the toilet, rather than undercooked meat, is behind the spread of a key strain of E. coli. Experts looked at thousands of blood, faecal and food samples. They found human-to-human transmission was responsible – “faecal particles from one person reaching the mouth of […]

Heavy social media use linked to poor sleep

Blood pressure pills ‘work better at bedtime’

Babies born at 22 weeks ‘can now survive’

Technology

The battle to break plastic’s bonds

Image copyright Getty ImagesImage caption The new process turns polyethylene into motor oil When Kenneth Poeppelmeier opened the reactor vessel in his lab and saw liquid, he said it was a real “eureka moment”. “All of us were so excited,” he told BBC News. Prof Poeppelmeier and his colleagues at Northwestern University in Illinois, US, […]

Google claims ‘quantum supremacy’ for computer

Climate: 100% organic farming would boost emissions

‘Molar Berg’: Getting a measure of Antarctica’s big new iceberg