DNA barcoding is now being used to identify the plant matter in human feces, revealing what a person has eaten. A reliable genetic marker for plant-based foods can be retrieved from poop, showing not ...

Reliable technique should improve clinical trials, nutrition studies and historical research DURHAM, N.C. – What people say they’ve eaten and what they’ve actually eaten are often two very different ...

The Earth is an almost unimaginably diverse planet in terms of species. Researchers have identified between two and three million species, but there are many more that we know nothing about. The ...