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What a Scientist Learned From Studying the ‘Synchronized Swimming of Sea Monkeys’

What a Scientist Learned From Studying the ‘Synchronized Swimming of Sea Monkeys’

Brine shrimp (Artemia salina) in a laboratory tank prior to experiments studying the effect of their collective vertical migration.

Robot Conquers One of the Hardest Human Tasks: Assembling Ikea Furniture

Robot Conquers One of the Hardest Human Tasks: Assembling Ikea Furniture

This robot, created by researchers in Singapore, took 20 minutes 19 seconds to make and execute a plan to assemble an Ikea chair.

Laser

Laser

The United States Navy's laser weapon. It can be used to ablate, ignite or otherwise damage an air or sea target.

A Suitcase-Size Satellite’s Big Image of Frozen Earth Below

A Suitcase-Size Satellite’s Big Image of Frozen Earth Below

An image made by the Iceye-X1 satellite showing the Noatak National Preserve in northwest Alaska.

A Few Species of Frogs That Vanished May Be on the Rebound

A Few Species of Frogs That Vanished May Be on the Rebound

A healthy variable harlequin frog with golden coloring in the streams of Panama.

Emperor Penguins: Good Dads, but Less Dedicated Than You May Have Thought

Emperor Penguins: Good Dads, but Less Dedicated Than You May Have Thought

Adult emperor penguins and their chicks near a research station in Terre Adélie, Antarctica. Researchers found that male penguins from one colony often slipped out to hunt during breeding season.

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.

A Night Watchman With Wheels?

A Night Watchman With Wheels?

A promotional composite image from Knightscope showing the K5 Autonomous Data Machine.

Where NASA Put a Parking Lot, Dinosaurs and Mammals Once Crossed Paths

Where NASA Put a Parking Lot, Dinosaurs and Mammals Once Crossed Paths

A nearly 9-foot slab of rock found in a parking lot on the grounds of NASA’s Goddard Spaceflight Center holds the fossilized tracks of several dinosaurs and even a few early mammals.

NASA’s New Horizons Takes Photos of Ultima Thule, 4 Billion Miles Away

NASA’s New Horizons Takes Photos of Ultima Thule, 4 Billion Miles Away

S. Alan Stern, center, New Horizons’ principal investigator, surrounded by children at Johns Hopkins University Applied Physics Laboratory in Laurel, Md., on Tuesday.

Gaia’s Map of 1.3 Billion Stars Makes for a Milky Way in a Bottle

Gaia’s Map of 1.3 Billion Stars Makes for a Milky Way in a Bottle

A view of the Milky Way and neighboring galaxies, containing more than a billion stars, released by the European Space Agency’s Gaia mission.

Friendly Foxes’ Genes Offer Hints to How Dogs Became Domesticated

Friendly Foxes’ Genes Offer Hints to How Dogs Became Domesticated

“The domestic dog is selected for so many different things,” said one researcher conducting the experiment. The fox is only selected for friendliness.

Visitors From the Ocean’s Twilight Zone

Visitors From the Ocean’s Twilight Zone

A transparent hatchetfish, retrieved by researchers from the Woods Hole Oceanographic Institution, which is seeking to understand better the creatures that occupy the sea from 600 to 3,300 feet deep.

Rhino Embryos Made in Lab to Save Nearly Extinct Subspecies

Rhino Embryos Made in Lab to Save Nearly Extinct Subspecies

Sudan, the last male northern white rhino, who died in March.

The Rational Choices of Crack Addicts

The Rational Choices of Crack Addicts

Carl Hart, an associate professor at Columbia University, is the author of the book “High Price,” a mix of memoir and scientific research about drug addiction.

How the Ice Age Shaped New York

How the Ice Age Shaped New York

A view from Green-Wood Cemetery, near Battle Hill, which is Brooklyn’s highest spot.


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