Department of

NYT Science

News Analysis: Yes, Aaron Hernandez Suffered Brain Injury. But That May Not Explain His Violence.

Fri, 09/22/2017 - 16:06
The links between biology and behavior are complex, and a number of factors contribute to violence. Yet evidence is mounting that C.T.E. may be involved.

Trilobites: Sputnik for Sale, if You’ll Settle for a Beeping Replica

Fri, 09/22/2017 - 14:12
Just ahead of the 60th anniversary of the first Earth launch of a satellite, an auction house will take bids on a replica of the shiny Soviet spacecraft.

Take a Number: The HPV Vaccine Gains Ground Among U.S. Teenagers

Fri, 09/22/2017 - 11:44
Sixty percent of adolescents received the vaccine in 2016. A decade ago, less than 30 percent did.

Basics: Birds Beware: The Praying Mantis Wants Your Brain

Fri, 09/22/2017 - 06:15
Scientists have developed a healthy respect for mantises, acrobatic hunters with 3-D vision and voracious appetites.

How Dogs Recognize Their Scents — And Selves

Fri, 09/22/2017 - 02:00
Dogs appear to know their own scent in a test involving samples of urine. Is that the same as recognizing oneself in a mirror?

ScienceTake: Dogs Recognize Themselves in Test Based on Smell, Not Sight

Fri, 09/22/2017 - 02:00
Canines don’t seem to perceive their reflections in mirrors. But they do better with a ‘smell mirror.’

A Glowing Cotton Study That Might Have Deserved Less Glowing Reviews

Thu, 09/21/2017 - 15:30
Cotton experts were not impressed with a recent study published by scientists who claimed they created naturally glowing and magnetic cotton.

Trilobites: For Neanderthals, Growing Big Brains Took More Time

Thu, 09/21/2017 - 11:58
New research suggests that the brain of a juvenile Neanderthal developed more slowly than that of a similarly aged Homo sapiens child, but scientists don’t yet know why.

Trilobites: How Three Friends Proved That Jellyfish Can Sleep

Thu, 09/21/2017 - 09:00
What started as a midnight excursion of curious graduate students turned into a study with implications for basic questions about sleep.

Matter: Clues to Africa’s Mysterious Past Found in Ancient Skeletons

Thu, 09/21/2017 - 09:00
An analysis of DNA recovered from fossils thousands of years old hints at enormous migrations that shaped the continent.

NASA’s Osiris-rex Spacecraft Is Headed for a Flyby With Earth

Thu, 09/21/2017 - 07:22
The spacecraft will make a flyby of Earth on Friday, using the planet’s gravity to steer it toward Bennu, an asteroid it will visit next year.

How to Hack Your Brain (for $5,000)

Wed, 09/20/2017 - 21:00
The new, new, new age is all about “defragging our nervous systems.”

How Can U.S. States Fight Climate Change if Trump Quits the Paris Accord?

Wed, 09/20/2017 - 14:52
Fourteen states have vowed to uphold the Paris climate pact with or without the federal government, and a new analysis suggests their efforts are having an impact.

Dr. Edmond Eger II, 86, Dies; Found Way to Make Anesthesia Safer

Wed, 09/20/2017 - 14:49
Dr. Eger and colleagues developed a technique to determine the proper dosage of anesthesia in operating rooms all over the world, saving an untold number of lives.

Trilobites: Sea Turtles Appear to Be Bouncing Back Around the World

Wed, 09/20/2017 - 14:46
Researchers analyzed all existing public data of sea turtle nesting sites around the world and found a tale of “cautionary optimism.”

Wild Bison Killed After Wandering Across Border Into Germany

Wed, 09/20/2017 - 12:43
A local official ordered hunters to kill the rare animal last week after it crossed over from Poland. “Animals don’t know country borders,” a conservationist said.

Why Two Major Earthquakes Hit Mexico, Explained

Wed, 09/20/2017 - 10:19
Two powerful quakes, 12 days apart, have killed hundreds of people in Mexico this month. We look at how, where and why the big ones happen.

Mexicans Dig Through Quake Rubble Overnight as Death Toll Passes 200

Wed, 09/20/2017 - 02:46
“The priority at this moment is to keep rescuing people who are still trapped,” Mexico’s president said.

Building a Better Coral Reef

Wed, 09/20/2017 - 02:00
As reefs die off, researchers want to breed the world’s hardiest corals in labs and return them to the sea to multiply. The effort raises scientific and ethical questions.

Islands Seek International Funding for Hurricane Recovery

Tue, 09/19/2017 - 11:15
In a special United Nations session, leaders of islands battered by hurricanes made worse by climate change appealed to wealthy countries for aid.