That taco you just ate may not have smelled suspect but if it harbored e coli you could be in for a few days of food poisoning. A new phone-based imaging device could one day spot the gut-busting bugs before they make you sick.
This neon sign is made of millions of living fluorescent Escherichia coli, a rod-shaped bacterium that lives in our intestines. Biologists and bioengineers at University of California, San Diego, synchronised them to glow at the same time.
Graphene has been heralded as the new supermaterial of our time. It possesses incredible strength and elasticity, while its exceptionally high conductivity and use in flexible semiconductors could soup up computing.
