However, tracks and photos alone don’t necessarily ... contain trace amounts of the animal’s DNA, which can become incorporated into the water, snow, or soil. Such genetics traces are called ...

A powerful and inexpensive tool for ecologists, eDNA is all over — floating in the air, or lingering in water, snow ... a more accurate picture of the condition of human DNA in the environment ...

Industrialization changed Italy’s Bagnoli Bay. Analyzing the DNA that was trapped in sediment offers a record of what was lost—and a clue as to how to get it back. Photonapoli / Alamy Stock ...

SCIENTISTS have said big cats are lurking among us in the UK countryside after DNA belonging to lions and snow leopards was found on a carcass. Prof Robin Allaby found proof of big cat DNA in the ...