Science

Cows are being bred to be larger, hungrier, and more productive. But this drive to raise ever-larger, hulking Holsteins has some prominent livestock advocates ringing alarm bells.

Ocean explorer Robert Ballard makes the case for exploring the deep oceans, where he is discovering new species, resources and mountain ranges.

Computer scientist Abe Davis explains how you can turn a plant or a bag of chips into a microphone, and capturing the hidden sound vibrations on a high-speed camera.

Science writer Ed Yong delves into the hidden world of parasites. He describes how parasites, once inside a host's body, become masters in the craft of manipulation.

Sarah Parcak is a pioneer in space archaeology. She describes her method of using satellite images to locate lost ancient sites.

As a boy, Andrés Ruzo heard stories of a mythical boiling river. Years later, as a geoscientist, he recounts his journey deep into the Amazon to see if the river actually exists.

A group of Virginia Tech researchers exposed the drinking water contamination in Flint, Mich., last summer. Now, they are back to retest the waters — and determine if the water is still dangerous.