Discover how it works in bacterial cells and how it can be applied to other forms of life—including humans. This is video is an excerpt from "Human Nature".

In the last decade or so, artificial intelligence has found its way into just about every technology-heavy sector of society. From music recommendation services to targeted advertising, machines ...

Two to 3 million years ago, humans lost the use of a gene called CMAH. Around the same time, our species seemed to have developed an increased capacity for endurance running. ByBrittany Flaherty ...

(Image 2) In this interactive feature, let vintage aircraft expert Dan Taylor guide you on an audio tour of a Demoiselle #20 replica owned by Old Rhinebeck Aerodrome, a museum of antique aviation.

At the 1998 Winter Olympics in Nagano, Japan, snowboarding made its debut as an Olympic sport. No longer relegated to the fringes, snowboarders took to the snow-capped peaks of Mount Yakebitai, and 26 ...

Once you’ve seen a slime mold—its gooey, delicately branching structure oozing in a vaguely unsettling way along a log or leaf—you’re unlikely to forget it. They’re unmistakable because there’s ...

(This program is no longer available for online streaming.) Apollo astronauts and engineers tell the inside story of Apollo 8, the first crewed mission to the moon. The U.S. space program suffered a ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. The engineer whips out a protractor and straightedge. That’s ...

They haven't got no noses, The fallen sons of Eve; Even the smell of roses Is not what they supposes; But more than mind discloses And more than men believe. —from "The Song of the Quoodle," G.K.

One night over drinks at a conference in San Jose, Miles Padgett, a physicist at Glasgow University in Scotland, was chatting with a colleague about whether or not they could make light go slower than ...

If a theory doesn’t make a testable prediction, it isn’t science. It’s a basic axiom of the scientific method, dubbed “falsifiability” by the 20th century philosopher of science Karl Popper. General ...

For more than three centuries, a plague of unshakable lethargy blanketed the American South. It began with “ground itch,” a prickly tingling in the tender webs between the toes, which was soon ...