science


Insects Flew Before Anything Else Did. So How Did They Get Their Wings?

Insects Flew Before Anything Else Did. So How Did They Get Their Wings?

A fossil of a cockroach dating to the Cretaceous period, about 145 to 65 million years ago. Insects took to the skies much earlier, but there is scant fossil evidence from the period showing how they evolved wings.

An Island, a Focal Point for a Healthy Marine Ecosystem

An Island, a Focal Point for a Healthy Marine Ecosystem

Waters surrounding a remote coral reef atoll teeming with marine life.

With 86% Drop, California’s Monarch Butterfly Population Hits Record Low

With 86% Drop, California’s Monarch Butterfly Population Hits Record Low

The population of western monarch butterflies in California dropped to a record low last year, according to a nonprofit conservation group.

Hot Heads: Why Mammals Need R.E.M. Sleep

Hot Heads: Why Mammals Need R.E.M. Sleep

Fur seals can switch off and on R.E.M. sleep when they're in the sea and on land, a pattern never seen before. Scientists believe it might mean R.E.M. sleep helps generate heat in our skulls, like shivering for the brain.

Finalists in NASA’s Spacecraft Sweepstakes: A Drone on Titan, and a Comet-Chaser

Finalists in NASA’s Spacecraft Sweepstakes: A Drone on Titan, and a Comet-Chaser

Dragonfly, a proposed dual-quadcopter lander that would explore Saturn’s moon, Titan, was one of two finalists in NASA’s New Frontiers competition.

Scientists Fear for Colombia’s ‘Melted Rainbow’

Scientists Fear for Colombia’s ‘Melted Rainbow’

The Caño Cristales in Colombia, home to Macarenia clavigera, which turns the river bright colors in the rainy season. It has become a tourist attraction, but oil reserves nearby have pitted the government against a petroleum company.

A Synthetic Biology Conference Lures an Intriguing Audience

A Synthetic Biology Conference Lures an Intriguing Audience

Neil Gershenfeld of the Massachusetts Institute of Technology says that synthetic biology, which involves the creation of biological systems intended for specific purposes, can generate scientific advances as well as ethical questions.

The Neutrino Trappers

The Neutrino Trappers

Employees of the Baksan Neutrino Observatory in southern Russian gather at its entrance to take an electric trolley thousands of feet underground to the facility's laboratories.

‘2001: A Space Odyssey’ Is Still the ‘Ultimate Trip’

‘2001: A Space Odyssey’ Is Still the ‘Ultimate Trip’

The film “2001: A Space Odyssey,” which is being rereleased this year for its 50th anniversary, baffled film critics when it first came out but now tops their lists of the most important movies of all time.

At Airports, a Misplaced Faith in Body Language

At Airports, a Misplaced Faith in Body Language

Transportation Security Administration employees at work. The agency employs thousands of officers who try to spot suspicious passengers.

The Baby’s Hand Was Mummified. Why Wasn’t the Rest of Its Body?

The Baby’s Hand Was Mummified. Why Wasn’t the Rest of Its Body?

The skeleton of a child found in Hungary was partially mummified by copper from a coin placed in its hand.

Bird’s Extinction Is Tied to the Arrival of Humans

Bird’s Extinction Is Tied to the Arrival of Humans

There were nine species of the flightless birds called the moa.

New Form of Water, Both Liquid and Solid, Is ‘Really Strange’

New Form of Water, Both Liquid and Solid, Is ‘Really Strange’

Researchers used a laser pulse to study superionic water, which is simultaneously solid and liquid.

Humans Are Spreading Deadly Bee Virus, Study Says

Humans Are Spreading Deadly Bee Virus, Study Says

A honeybee with pollen on its legs.


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