According to a new study, it's now possible to sift scraps of human DNA out of the air, water, or soil and decipher personal details about the individuals who dropped them. Jeff and Anthony take a look at the technology that makes this possible, and sort through the ramifications. [more]
A global team of scientists plans to scour the icy depths of Loch Ness next month using environmental DNA (eDNA) in an experiment that may discover whether Scotland’s fabled monster really does, or did, exist. Whenever a creature moves through its environment, it leaves behind tiny fragments of DNA from skin, scales, feathers, fur, faeces and urine. This story has really left a mark on Jeff and Anthony. [more]
