Life
Genetically modified yeast can sniff out explosives
What do you get if you cross a rat, a jellyfish and brewer's yeast? Happily, the answer is not the latest genetically modified food, but a low-cost explosives detector. Danny Dhanasekaran, a molecular biologist at Temple University in Philadelphia, Pennsylvania, has coaxed a simple yeast into harnessing a rat's sense of smell to sniff the …