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To Beat Go Champion, Google’s Program Needed a Human Army

To Beat Go Champion, Google’s Program Needed a Human Army

Lee Se-dol, a professional Go player from South Korea, was smiling amid other players despite losing four of five games against a Google computer program called AlphaGo.

Trillions Upon Trillions of Viruses Fall From the Sky Each Day

Trillions Upon Trillions of Viruses Fall From the Sky Each Day

Viruses attached to a fragment of a bacterial cell wall. “Viruses modulate the function and evolution of all living things,” scientists wrote last year. “But to what extent remains a mystery.”

How Long Can We Live? The Limit Hasn’t Been Reached, Study Finds

How Long Can We Live? The Limit Hasn’t Been Reached, Study Finds

In Acciaroli, a hamlet in southern Italy, about one-in-60 residents are over the age of 90. A survey of about 4,000 Italians found that mortality rates in old age plateau around 105, suggesting that the ceiling for human lifespan has not yet been reached.

F.D.A. to Expand Medication-Assisted Therapy for Opioid Addicts

F.D.A. to Expand Medication-Assisted Therapy for Opioid Addicts

Alex M. Azar II, the secretary of health and human services, speaking to the National Governors Association on Saturday in Washington. The Trump administration wants to expand access to so-called medication-assisted treatment for combating opioid addiction.

‘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.

A Night Watchman With Wheels?

A Night Watchman With Wheels?

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

An Ancient Horse Is Unearthed in a Utah Backyard

An Ancient Horse Is Unearthed in a Utah Backyard

An illustration of Haringtonhippus francisci, an extinct horse species that was found in North America during the last ice age. Rick Hunter, a Utah paleontologist, said the horse, whose skeleton was discovered in a Utah backyard, may have looked similar to this.

New Dive Into Old Data Finds Plumes Erupt From Jupiter’s Moon Europa

New Dive Into Old Data Finds Plumes Erupt From Jupiter’s Moon Europa

NASA’s Galileo spacecraft appears to have flown through a plume erupting from Jupiter’s moon Europa more than 20 years ago.

The Very First Animal Appeared Amid an Explosion of DNA

The Very First Animal Appeared Amid an Explosion of DNA

Creatures as diverse as the humpback whale and the ladybug all descend from the very first animal, which appeared hundreds of millions of years ago.

Listening to Elephants With Earthquake-Monitoring Tools

Listening to Elephants With Earthquake-Monitoring Tools

Studies have shown that elephants may be monitoring ground vibrations through their bodies, fleeing for higher ground moments before distant tsunamis strike or stomping on the ground to warn others of danger.

A Massacre Frozen in Time: Skeletons in Sweden Reveal Ancient Attack

A Massacre Frozen in Time: Skeletons in Sweden Reveal Ancient Attack

Remains of victims found by archaeologists, who determined the villagers were slaughtered in their homes on the island of Öland in the Baltic Sea.

The Lost Dogs of the Americas

The Lost Dogs of the Americas

A 10,000-year-old dog from an archaeological site near Eldred, Ill., known as the Koster site, where the earliest known dogs in the Americas were found.

Why Scientists Are Battling Over Pleasure

Why Scientists Are Battling Over Pleasure

Is the pleasure of enjoying a Leonardo da Vinci painting really any different than the pleasure we get from eating chocolate?

The Thing Inside Your Cells That Might Determine How Long You Live

The Thing Inside Your Cells That Might Determine How Long You Live

A colored transmission electron micrograph of a human serous cell’s nucleus, with its nucleolus in purple. The nucleolus functions as the sort of brain of the nucleus, making rRNA, a basic ingredient for making proteins.

Trapped in 99-Million-Year-Old Amber, a Beetle With Pilfered Pollen

Trapped in 99-Million-Year-Old Amber, a Beetle With Pilfered Pollen

A mid-Cretaceous beetle had a cavity filled with hair at the base of its mandibles for collecting pollen from plants known as cycads.

Study Links Sleeplessness and False Confessions

Study Links Sleeplessness and False Confessions

An interrogation room in a police precinct in Harlem. Close to 20 percent of interrogations occur during normal sleep hours, midnight to 8 a.m., a new study notes.


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