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NYT > Science

Last Build Date: Tue, 26 Sep 2017 12:43:46 GMT

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Basics: Birds Beware: The Praying Mantis Wants Your Brain

Mon, 25 Sep 2017 12:32:42 GMT

A praying mantis outfitted with 3-D glasses during an experiment to determine whether the insects see in three dimensions. The conclusion: absolutely.Scientists have developed a healthy respect for mantises, acrobatic hunters with 3-D vision and voracious appetites.

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Moths, Alive and in Color, in All Their Diversity

Mon, 25 Sep 2017 18:34:35 GMT

A new collection from the photographer Emmet Gowin delivers an appreciation for the hidden ties between humans and moths as well as art and science.

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A Battle to Save the World’s Favorite Treat: Chocolate

Mon, 25 Sep 2017 09:00:37 GMT

At the International Cacao Collection in Turrialba, Costa Rica, José Antonio Alfaro examined pods — which hold the seeds that make chocolate — treated to resist a devastating fungus. Only a few cacao varieties are widely cultivated, making them susceptible to outbreaks.In Costa Rica, researchers are cloning cacao hybrids resistant to frosty pod rot, a blight that has spread throughout Latin America.

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Trilobites: Pandas Are No Longer Endangered. But Their Habitat Is in Trouble.

Mon, 25 Sep 2017 15:00:25 GMT

Though giant pandas were recently downgraded from “endangered” to “vulnerable,” scientists warn that threats to their natural habitats in China may undermine this conservation accomplishment.Logging, human encroachment and activities have fragmented the natural range of pandas in China, which could make recent population gains short-lived.

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

Mon, 25 Sep 2017 18:36:44 GMT

Canines don’t seem to perceive their reflections in mirrors. But they do better with a ‘‘smell mirror.’’

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

Fri, 22 Sep 2017 21:12:11 GMT

A full-scale replica of the Sputnik satellite will be auctioned next week, and comes complete with a vintage East German radio receiver to hear its beeps.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.

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

Thu, 21 Sep 2017 16:00:16 GMT

Researchers in Malawi examining bone fragments whose DNA point to enormous migrations thousands of years ago that shaped present-day populations.An analysis of DNA recovered from fossils thousands of years old hints at enormous migrations that shaped the continent.

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Trilobites: How Three Friends Proved That Jellyfish Can Sleep

Thu, 21 Sep 2017 16:00:21 GMT

The Cassiopea, or upside-down, jellyfish, demonstrated patterns of behavior consistent with sleep, according to an experiment conducted by Caltech graduate students.What started as a midnight excursion of curious graduate students turned into a study with implications for basic questions about sleep.

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A Glowing Cotton Study That Might Have Deserved Less Glowing Reviews

Fri, 22 Sep 2017 01:39:24 GMT

A microscopic image of fluorescent cotton fibers that were part of a study published in Science. Some experts in cotton biology questioned the paper’s findings.Cotton experts were not impressed with a recent study published by scientists who claimed they created naturally glowing and magnetic cotton.

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Q&A: Clues to Prehistoric Cave Painters Remain Scant

Mon, 25 Sep 2017 09:00:01 GMT

Little is known about the cave paintings in France and Spain made tens of thousands of years ago.

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Spelunking in Search of Antibiotics

Sun, 24 Sep 2017 09:00:24 GMT

It can take decades of research and more than a billion dollars to create a new antibiotic drug. Sometimes, the first step of the process starts underground, deep inside a mountain.

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

Sun, 24 Sep 2017 21:32:44 GMT

A combination of photos showing sections from a normal brain, top, and from the brain of former University of Texas football player Greg Ploetz, bottom, who had Stage IV chronic traumatic encephalopathy, or C.T.E. An autopsy of former New England Patriots tight end Aaron Hernandez revealed severe C.T.E.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.

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

Fri, 22 Sep 2017 18:44:56 GMT

The Centers for Disease Control and Prevention reported that 60 percent of American teenagers are getting vaccinated against human papillomavirus.Sixty percent of adolescents received the vaccine in 2016. A decade ago, less than 30 percent did.

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How Dogs Recognize Their Scents — And Selves

Fri, 22 Sep 2017 09:00:24 GMT

Dogs appear to know their own scent in a test involving samples of urine. Is that the same as recognizing oneself in a mirror?

Trilobites: For Neanderthals, Growing Big Brains Took More Time

Thu, 21 Sep 2017 18:58:31 GMT

The skeleton of an 8-year-old Neanderthal boy recovered from the El Sidrón cave in Spain.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.

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

Thu, 21 Sep 2017 14:22:10 GMT

An artist’s illustration of NASA’s Osiris-Rex spacecraft flying by Earth on Friday.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.

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

Thu, 21 Sep 2017 04:00:01 GMT

Jamie Wheal speaking to participants on the last night of Flow Camp in the “Flow Dojo” at Powder Mountain, Utah.The new, new, new age is all about “defragging our nervous systems.”

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

Thu, 21 Sep 2017 00:32:59 GMT

Dr. Edmond I. Eger II in 2007 at Massachusetts General Hospital with a painting depicting the first public demonstration of ether anesthesia.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.

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

Wed, 20 Sep 2017 21:46:44 GMT

Unlike many endangered vertebrates, sea turtles seem to be making a recovery, thanks to decades of conservation efforts.Researchers analyzed all existing public data of sea turtle nesting sites around the world and found a tale of “cautionary optimism.”

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

Wed, 20 Sep 2017 21:52:43 GMT

Wind turbines near Block Island, R.I. Historically, the federal government has led the way in researching and developing technologies like wind and solar power.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.

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Wild Bison Killed After Wandering Across Border Into Germany

Thu, 21 Sep 2017 10:27:21 GMT

European bison near the town of Bad Berleburg, Germany, in 2013.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.

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Why Mexico Is So Prone to Strong Earthquakes

Wed, 20 Sep 2017 17:19:05 GMT

Rescuers worked on a collapsed building in the Condesa neighborhood in Mexico City on Tuesday.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.

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Mexicans Dig Through Quake Rubble as Death Toll Passes 200

Wed, 20 Sep 2017 23:27:11 GMT

Dozens of buildings collapsed in Mexico City. “The priority at this moment is to keep rescuing people who are still trapped and to give medical attention to the injured people,” Mexico’s president said.Thousands of rescue workers plunged into the shattered shells of homes and offices. Officials said the priority is to keep saving people.

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Building a Better Coral Reef

Thu, 21 Sep 2017 23:29:24 GMT

Neal Cantin collected coral samples from Rib Reef, a section of the Great Barrier Reef off Queensland, Australia.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.

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Islands Seek International Funding for Hurricane Recovery

Tue, 19 Sep 2017 22:14:46 GMT

President Danilo Medina of the Dominican Republic at the United Nations on Monday. Mr. Medina and other Caribbean leaders are calling for money to help recover from devastating storms linked to climate change.In a special United Nations session, leaders of islands battered by hurricanes made worse by climate change appealed to wealthy countries for aid.

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Chemical Industry Ally Faces Critics in Bid for Top E.P.A. Post

Wed, 20 Sep 2017 00:08:52 GMT

Michael L. Dourson, nominated by President Trump to oversee the Environmental Protection Agency’s chemical safety programs, was on Capitol Hill last week. Mr. Dourson has spent years helping companies fight restrictions on the use of potentially toxic chemicals in consumer goods.Michael L. Dourson, who has long run a premier firm for the chemical industry, is set for a confirmation hearing before a Senate panel.

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The 2017 Hurricane Season Really Is More Intense Than Normal

Tue, 19 Sep 2017 12:58:17 GMT

On Sept. 8, three storms threatened land: from left, Tropical Storm Katia, Hurricane Irma and Tropical Storm Jose, which would intensify into a hurricane. Eric Blake, a scientist at the National Hurricane Center, tweeted, “Never seen anything like this in the modern record.”It’s not your imagination. From Harvey to Irma to Jose to Maria, this year’s Atlantic hurricane season “has been an overachiever by almost every index.”

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