Roman Stocker News Today

New research shows how an ocean-fertilizing bacterium, Trichodesmium, aggregates without central control.

A research collaboration led by ETH Zurich and MIT will receive a further USD 15 million from the New York-​based Simons Foundation to investigate the

motivates all the hand washing warnings. these days the fear of germs is at a new fever pitch fueling the sale of hand washing products, provoking a back wash of public confusion as well. david pogue will be reporting our cover story. >> reporter: its flu season and nothing is scarier than all those germs out there. oh, my gosh. im a walking virus box. but whats the best way to protect ourselves from germs? >> my suggestion is if your hands smell bad, wash them. >> reporter: no need to...

washing products, provoking a back wash of public confusion as well. david pogue will be reporting our cover story. >> reporter: its flu season and nothing is scarier than all those germs out there. oh, my gosh. im a walking virus box. but whats the best way to protect ourselves from germs? >> my suggestion is if your hands smell bad, wash them. >> reporter: no need to wash my hands after elevator buttons or keyboards or toilet? >> absolutely not. >> david: what? later on sunday mornin...