Engineers developed tiny ultrasound-powered robots that can swim through blood, removing harmful bacteria along with the toxins they produce. These proof-of-concept nanorobots could one day offer a safe and efficient way to detoxify and decontaminate biological fluids..
Non-drinkers, who reported not drinking any alcohol over several years, were absent from work due to illness more often than low-risk drinkers, finds a new study based on 47,520 men and women from Finland, France and the UK..
