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NYT > Science

Last Build Date: Fri, 17 Nov 2017 11:55:55 GMT

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Matter: ‘Gene Drives’ Are Too Risky for Field Trials, Scientists Say

Fri, 17 Nov 2017 00:32:34 GMT

The short-tailed weasel, or stoat, decimated native bird populations after it was introduced to New Zealand. Altering the genes of invasive animals might save threatened species, scientists said, but could also have devastating consequences.New research casts doubt on a gene-editing strategy that scientists had hoped to use against invasive species and epidemic diseases.

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Trilobites: A Population of Billions May Have Contributed to This Bird’s Extinction

Thu, 16 Nov 2017 19:31:25 GMT

Passenger pigeons were once so plentiful in North America that flocks blotted out the sun. They went extinct in the early 20th century, victims in part of extremely efficient natural selection, according to a new study.A new study suggests passenger pigeons were hyper-adapted to living in a large, stable population, leaving them unable to cope when humans hunted them en masse.

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Trilobites: Chimps Tailor Alarms to What Other Chimps Know

Wed, 15 Nov 2017 23:53:06 GMT

Experiments show that the animals change their communications depending on how much their audience knows.

A Nearby Earth-Size Planet May Have Conditions for Life

Thu, 16 Nov 2017 01:32:45 GMT

An artist’s impression of a newly discovered planet and its red dwarf star, Ross 128. The planet, 11 light-years away, is roughly the size of Earth but closer to Ross 128 than our planet, or even Mercury, is to our sun.Astronomers have found a planet circling Ross 128, a quiet red star in our own galactic neighborhood.

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Trillions of Flies Can’t All Be Bad

Mon, 13 Nov 2017 17:04:49 GMT

A male fly of the genus Plagiozopelma.The world’s flies do much more than annoy us. Pollinating plants, cleaning up carcasses, swabbing drains — flies are part of every strand of the web of life.

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Trilobites: Dream Chaser Space Plane Aces Glide Test

Mon, 13 Nov 2017 22:39:15 GMT

The crewless Dream Chaser lands at Edwards Air Force Base in California on Saturday after a successful test flight.Built by Sierra Nevada Corporation, the space plane that brings to mind NASA’s retired shuttles completed a successful test flight and landing on Saturday.

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Trilobites: Wine From Prehistoric Georgia With an 8,000-Year-Old Vintage

Tue, 14 Nov 2017 00:37:18 GMT

The base of a Neolithic jar recovered from a Neolithic site in Georgia. Researchers found wine residue on pottery shards at two Georgian sites going back to 6,000 B.C.Pottery shards recovered from two archaeological sites in the country are the oldest evidence of winemaking, pushing the date back 600 to 1,000 years.

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The Secret to Long Life? It May Lurk in the DNA of the Oldest Among Us

Wed, 15 Nov 2017 15:53:17 GMT

Clarence Matthews, 110, had blood drawn at his home in Indian Wells, Calif., last year, part of a project to examine the genes of the very old. Mr. Matthews died a few months ago.James Clement has scoured the globe for supercentenarians, aged 110 and older, willing to contribute their genomes to a rare scientific cache.

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Debating Whether Reptiles or Amphibians Should Be House Pets

Fri, 10 Nov 2017 19:35:56 GMT

A snapping turtle surrendered to officials by its owner at an “exotic animal amnesty day” in Bridgeport, Conn.Many experts think these animals shouldn’t be in your home. Turning them into pets raises numerous ecological and ethical questions.

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Science Is Dry, Obscure, Complex? Well, It Makes for Great Comedy

Fri, 17 Nov 2017 10:00:03 GMT

At a live taping of the podcast “You’re the Expert” this month, from left, Jackie Faherty, Chris Duffy, Aparna Nancherla, Zhubin Parang and Ashley Brooke Roberts.In podcasts and live shows, comedians are extracting the funny from astronomy, climate change and even the physics behind urinal cakes.

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Modern Love: 17 Million Frozen Sperm Await the Perfect Moment

Fri, 17 Nov 2017 05:00:01 GMT

A woman trying to get pregnant on her own finds connection and hope during a total solar eclipse.

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F.D.A. Speeds Review of Gene Therapies, Vowing to Target Rogue Clinics

Fri, 17 Nov 2017 00:35:19 GMT

Scott Gottlieb, the commissioner of the Food and Drug Administration, at a Senate hearing earlier this year. The F.D.A. issued new guidelines that will expedite treatments involving human cells and tissues.The agency plans to speed approval of treatments to get them to the market faster, signaling the quickened pace of advancements in this field.

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Keystone Pipeline Leaks 210,000 Gallons of Oil in South Dakota

Fri, 17 Nov 2017 01:38:56 GMT

The spill in South Dakota comes just days before Nebraska regulators will decide on a permit needed for the proposed Keystone XL pipeline

Downing North Korean Missiles Is Hard. So the U.S. Is Experimenting.

Thu, 16 Nov 2017 22:34:27 GMT

A long-range ground-based interceptor missile test at Vandenberg Air Force Base in California. These missiles, designed to strike incoming nuclear weapons, are not foolproof, so the Defense Department is looking to other approaches like cyberattacks and drone strikes.Buried in an emergency funding request to Congress lie hints of new ways to confront Pyongyang, like cyberweapons and armed drones.

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A More Conciliatory Tone on Climate from the U.S. at Global Talks

Thu, 16 Nov 2017 20:25:45 GMT

The United States offered a seemingly contradictory message at the United Nations climate conference in Bonn, promising to engage in further talks while also vowing to exit the Paris accord.In a brief address at the United Nations climate conference in Bonn, a State Department official mentions climate change and not coal, drawing (polite) applause.

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New Quay Journal: A Cliff-Edge Town Visited by Poets, Dolphins — and Octopuses

Thu, 16 Nov 2017 14:48:44 GMT

Rowhouses overlooking Cardigan Bay in New Quay, Wales.Octopuses and giant barrel jellyfish come and go in a town where Wales’s best-known alcoholic drank. The dolphins seem to be staying, so far.

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U.N. Climate Projects, Aimed at the Poorest, Raise Red Flags

Thu, 16 Nov 2017 16:22:07 GMT

Tidal flooding on South Tarawa, one of the atolls that makes up Kiribati.The Green Climate Fund was meant to help developing countries tackle climate change, but many of the most vulnerable nations have not seen any grants.

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At U.N. Climate Conference, Treading Lightly Around the Americans

Wed, 15 Nov 2017 20:08:16 GMT

President Emmanuel Macron of France and Chancellor Angela Merkel of Germany at the United Nations climate change conference in Bonn, Germany, on Wednesday.Delegates at climate talks in Bonn are keeping their opinions to themselves about President Trump’s vow to withdraw from the Paris climate accord.

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How to Lower Your Blood Pressure

Thu, 16 Nov 2017 21:17:49 GMT

A patient gets her blood pressure checked in New York. New guidelines released by the American Heart Association and the American College of Cardiology lower the threshold for high blood pressure.Medical guidelines have changed, and now about half of Americans may qualify for the diagnosis of hypertension. Here’s what to do about it.

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A Radioactive Cloud Wafts Over Europe, With Russia as Chief Suspect

Wed, 15 Nov 2017 14:02:01 GMT

A map showing levels of ruthenium 106, provided by the French Institute for Radiation Protection and Nuclear Safety. Many experts say they suspect Russia to be the origin of the substance’s release.High levels of a substance called ruthenium 106 detected over the Continent have prompted concern about a possible cover-up by Moscow.

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Why China Wants to Lead on Climate, but Clings to Coal (for Now)

Wed, 15 Nov 2017 01:40:05 GMT

Above, workers at a coal mine in Datong, China. The country’s carbon emissions are forecast to rise this year.Emissions are rising in China. Still, it’s on track to meet the commitments it made under the Paris climate accord.

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Study Finds Competing Opioid Treatments Have Similar Outcomes

Wed, 15 Nov 2017 13:24:11 GMT

Left, a dose of Vivitrol before being administered. Right, a pharmacist filling a prescription for Suboxone.The manufacturers of the two drugs to treat opioid addiction are competing fiercely for market share and drawing scrutiny from lawmakers and prosecutors.

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Peter Sands Named Head of Global Disease-Fighting Agency

Tue, 14 Nov 2017 22:37:50 GMT

Peter SandsThe new executive director of the Global Fund to Fight AIDS, Tuberculosis and Malaria faces an uphill battle: raising more money as lethal epidemics keep cropping up.

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Take a Number: Americans Are Putting Down the Soda Pop

Tue, 14 Nov 2017 05:07:52 GMT

Soda pop at a store in New Jersey. Sugary drink consumption has declined in the United States, according to a new study.Children and adults are downing sugary drinks far less often than they used to, a new study finds.

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First Digital Pill Approved to Worries About Biomedical ‘Big Brother’

Wed, 15 Nov 2017 05:38:12 GMT

A wearable sensor patch made by Proteus Digital Health is part of the Abilify digital pill study.The medicine, an antipsychotic drug, has a sensor that will show doctors whether and when patients are taking it. Other medicines will follow, experts say.

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Protesters Jeer as Trump Team Promotes Coal at U.N. Climate Talks

Wed, 15 Nov 2017 15:20:20 GMT

Demonstrators at a presentation by the United States delegation to the United Nations climate change conference in Bonn, Germany, on Monday.The Trump administration’s debut at the United Nations climate conference in Bonn, Germany, was met with heckling, noisy protest and harsh questions.

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A Race to Save 10 Stranded Whales

Mon, 13 Nov 2017 22:13:51 GMT

A drone camera showed nine of the 10 whales that were stranded off the coast of Indonesia on Monday.Long after sunset, local officials and nonprofits worked to rescue a pod of whales that had become stranded off the coast of Indonesia.

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Yale Professors Race Google and IBM to the First Quantum Computer

Tue, 14 Nov 2017 00:55:42 GMT

Prof. Robert Schoelkopf inside a lab at Yale University. Quantum Circuits, the start-up he has created with two of his fellow professors, is located just down the road.Robert Schoelkopf helped create technology that promises to deliver the machines of tomorrow at Google and IBM. Now, he is giving them some competition.

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Under New Guidelines, Millions More Americans Will Need to Lower Blood Pressure

Tue, 14 Nov 2017 21:00:09 GMT

Thyleb Ramadhan got his blood pressure checked at a mobile medical clinic in Olean, N.Y., in June.Experts set new targets for treatment of hypertension on Monday, greatly expanding the number of adults who will qualify for the diagnosis.

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She Took On Colombia’s Soda Industry. Then She Was Silenced.

Thu, 16 Nov 2017 07:41:50 GMT

A street vendor in Bogotá. Volume sales of carbonated drinks in the country have climbed more than 25 percent over the past 15 years.The debate over taxing sugary drinks has turned into a ferocious global policy brawl. In Colombia, proponents faced intimidation and censorship.

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The Bonn Climate Conference: All Our Coverage in One Place

Thu, 16 Nov 2017 22:28:18 GMT

Demonstrators outside the United Nations climate change conference in Bonn, Germany, on Wednesday.Negotiators from nearly 200 countries are meeting in Bonn, Germany, in the biggest climate change talks of the year. Here’s all of our coverage.

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Floating Cities, No Longer Science Fiction, Begin to Take Shape

Tue, 14 Nov 2017 17:11:01 GMT

A rendering of the Floating Island Project in French Polynesia. Blue Frontiers will build and operate the islands, with the goal of building about a dozen by 2020, including homes, hotels, offices and restaurants, at a cost of about $60 million.At times, the story of the seasteading movement seems to lapse into self-parody, but there are now companies, academics, architects and even a government working together on a prototype by 2020.

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Trump Health Agency Challenges Consensus on Reducing Costs

Mon, 13 Nov 2017 02:32:40 GMT

Dr. R. Michael Meneghini performing a partial knee replacement on a patient at Indiana University Health Methodist Hospital last year. The Trump administration is scaling back a program that changes the way Medicare pays doctors for joint replacements.The Obama administration sped up programs aiming to pay doctors based on quality instead of quantity. The Trump administration is slowing them down.

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As U.S. Sheds Role as Climate Change Leader, Who Will Fill the Void?

Tue, 14 Nov 2017 16:25:26 GMT

After President Trump’s announced withdrawal from the Paris accord, a number of national and local leaders have emerged as climate change champions.

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30 Vaquita Porpoises Are Left. One Died in a Rescue Mission.

Mon, 13 Nov 2017 16:37:26 GMT

Scientists with a vaquita porpoise off the coast of Baja California last month. This porpoise was released because it was too young to be separated from its mother. Last weekend another porpoise died in captivity.Scientists called off an effort to save one of the world’s rarest marine mammals — the vaquita — when one died after being captured for rehabilitation.

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A Shadow Delegation Stalks the Official U.S. Team at Climate Talks

Tue, 14 Nov 2017 16:32:52 GMT

Former Vice President Al Gore called for action on global warming Saturday in Bonn, Germany.Al Gore, Jerry Brown and Michael R. Bloomberg are in Bonn, Germany, telling other countries that the United States is still serious about climate change.

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Trilobites: The Bridge Wobbles. So Do You. That’s When the Trouble Starts.

Fri, 10 Nov 2017 22:47:15 GMT

The Millennium Bridge in London had to close for repairs when too many pedestrians crossing on it made it too wobbly.Mathematicians found that bridges wobble suddenly when a critical crowd threshold is exceeded, and developed a model to predict it in future bridges.

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Global Health: In Africa, Rural Clinics Entice Pregnant Women With ‘Baby Pictures’

Fri, 10 Nov 2017 22:15:39 GMT

A technician with Bridge to Health, a Canadian medical charity, with an ultrasound machine in southwest Uganda. Offering pregnant women glimpses of their fetuses has encouraged them to get checkups.Many pregnant women in poor countries don’t see a doctor until they are in labor. In Uganda, that changed when clinics began advertising ultrasounds.

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Q&A: The Way the Wind Blows

Fri, 10 Nov 2017 20:31:01 GMT

Why do most wind turbines have three blades?

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$300 Billion War Beneath the Street: Fighting to Replace America’s Water Pipes

Fri, 10 Nov 2017 22:34:50 GMT

Two powerful industries, plastic and iron, are locked in a lobbying war over the estimated $300 billion that local governments will spend on water pipes over the next decade.

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