Gathering genetic material from treetops in tropical rainforests would be a near-impossible task to perform safely by hand. That's why scientists have developed a system that allows a drone to do the ...

You walk through a field of wheat, ryegrass, or clover and notice the sway of stems and leaves. What you cannot see is where most of the action happens.

In the technique known as “environmental DNA metabarcoding,” probes are designed to target specific DNA fragments, similar to how anglers use specific bait to catch a particular species. The challenge ...