NOVA

When applied to a global population, the vegan diet wastes available land that could otherwise feed more people.

When applied to a global population, the vegan diet wastes available land that could otherwise feed more people.

Strategy appears to be an unusual way to get nutrients

Strategy appears to be an unusual way to get nutrients

If you’ve ever fantasized about discovering a long-lost identical twin, a newly updated app could help.

Kyle Mulinder does. As he kayaked in New Zealand, the fateful moment was captured on video.

Arecibo Observatory is Earth's first line of defense against asteroids. It's still recovering from Hurricane Maria.

Two scientists drugged some cephalopods and were surprised to find that their reactions to MDMA were similar to those of humans, despite massive evolutionary differences.

“Gummy squirrels,” single-celled organisms the size of softballs and strange worms thrive in a Pacific Ocean zone some considered an underwater desert.

Is code, as an artificial language, subject to the same regulations as natural language? A landmark legal settlement is bringing up the question yet again.

"Our bodies are translucent to a big magnetic field, gamma rays, x-rays. We’re also translucent to low red light. Red light is a lot cheaper than a two-ton magnet—or x-rays or gamma rays,” optical physics expert Mary Lou Jepsen tells Paula Apsell and the Science Media Awards & Summit audience, adding that we can use red light to find tumors. "But in order to find the tumors in our bodies, we need to de-scatter the light. That’s what I now realized is possible…using holography."

Two neural systems record traumatic memories, meaning they can be remembered in both conscious and unconscious ways.

Officials were stunned by the amount of antibiotics the puppies had been given.

Scientists demonstrate that a "gene drive" can rapidly spread a genetic mutation through a species, perhaps providing a potent new weapon against malaria. But there are plenty of skeptics.

Witness organ transplants as they unfold, and meet patients awaiting lifesaving donations.