To test aerobic fitness, Matlock suggests running a one-mile time trial, which means doing a mile at an all-out effort.

DNA sequencing technology makes it possible to explore the genome to learn how humans adapted to live in a wide range of environments. Research has ...

As a geochemist studying New Zealand's freshwater systems, I've spent years tracking the subtle chemical shifts in our rivers ...

Your car's O2 sensor can cause rough running, bad mileage, and inspection nightmares. Can a quick clean save the day? Here's ...