The Wayback Machine - https://web.archive.org/web/20140328193221/http://www.nytimes.com:80/pages/science/index.html
Edition: U.S. / Global

Friday, March 28, 2014

Science

Serra Da Capivara National Park Journal

Discoveries Challenge Beliefs on Humans’ Arrival in the Americas

Ancient rock art depicts fierce battles and hunters pursuing game.
Daniel Berehulak for The New York Times

Ancient rock art depicts fierce battles and hunters pursuing game.

Archaeologists say humans reached what is now northeast Brazil as early as 22,000 years ago, upending a prevailing belief of 20th-century archaeology in the United States that people arrived in the Americas about 13,000 years ago.

Fort Totten, once for Army officers, is now equipped for scientists researching trees.
Brian Harkin for The New York Times

Fort Totten, once for Army officers, is now equipped for scientists researching trees.

Fort Totten Park has a laboratory and sleeping quarters for visiting scientists who are happy to get their fingernails dirty in urban soil.

New Mexico Is Reaping a Bounty in Pecans as Other States Struggle

Thanks to sophisticated irrigation systems and an arid climate that helps ward off crop disease, New Mexico farmers are enjoying a bumper crop and high prices.

Candidates’ Views on Drilling Begin With Glance Back

As Texas deals with a drilling boom that has brought a windfall to its coffers but has strained services and raised environmental concerns, governor candidates have concentrated on bite-size policy questions.

Matter

Enlisting a Computer to Battle Cancers, One by One

Once you decode a tumor’s genome, what’s next? Oncologists hope that IBM’s Watson will help them find drugs for patients’ particular brain cancer mix.

Discovery of Planetoid Hints at Bigger Cousin in Shadows

Astronomers say they have discovered a second icy world similar to the planetoid Sedna, a finding that may point to an unseen planet several times the size of Earth at the solar system’s distant outskirts.

Deadly Mix of Loose Sediments and Heavy Rain in Washington

Experts say a combination of factors including steep terrain, complex geology and weather are among the reasons that make the state so prone to landslides.

Guinea: Government Bans Bat Soup to Halt Ebola Outbreak

The action came after the West African nation’s first Ebola outbreak, which has killed 63 people.

‘Environmental Poisoning’ of Iraq Is Claimed

An advocacy group said at a congressional hearing that veterans and civilians continued to feel the effects of burn pits used to dispose of military waste, and that Washington must aid sufferers.

Most Chinese Cities Fail Minimum Air Quality Standards, Study Says

Only three of 74 cities monitored managed to meet standards set by the government, with most of the polluted cities in northern China.

Science Times: March 25, 2014
Out There

Ripples From the Big Bang

Ripples detected by the telescope Bicep2 represent, in theory, gravitational waves from the Big Bang.
BICEP2 Collaboration, via Associated Press

Ripples detected by the telescope Bicep2 represent, in theory, gravitational waves from the Big Bang.

The telescopic discovery of gravitational waves believed to have been left from the origin of the universe will reverberate for years to come.

Findings

At Airports, a Misplaced Faith in Body Language

There is little evidence to support the view that “behavior detection officers” have done much beyond inconveniencing tens of thousands of passengers a year.

Quiz

Interactive Feature: Can You Spot the Liar?

Subjects in a study on body language and lying were asked several general questions — and then told off camera to lie or tell the truth when answering. Can you tell truth from falsehood?

Easing Epilepsy With Battery Power

A long-awaited device, implanted in the skull, offers hope of controlling seizures for those who cannot be treated with drugs or surgery.

A Conversation With

Seeking Autism’s Biochemical Roots

A scientist talks about how his son inspired a change in his own work and in the direction of autism research as a whole.

More Science News
Global Health

China Reports Gains in Fighting Tuberculosis

Evidence that a relatively low-tech strategy for combating the disease can work well, if it is rigorously applied.

Fish Embryos Exposed to Oil From BP Spill Develop Deformities, a Study Finds

The study, which examined developing tuna and amberjack, will be used in the damage assessment against BP in the Deepwater Horizon spill.

Podcast: Science Times

A new implant tries to anticipate seizures before they happen — and stop them; a new test could help cut down on colonoscopy visits; you may think you can spot someone in a lie, but science says different.

  Progress on Epilepsy and Cancer, To Catch a Lie
Science Columns
Q&A;

Restaurants for Robins

Food availability, and the amount of snow and ice, influence whether robins stay where they are or fly south for the winter.

After the Fact

Bird’s Extinction Is Tied to the Arrival of Humans

Scientists have long assumed that humans played a role in the moa’s obliteration. Now there’s inescapable proof.

Observatory

These Vultures Get First Dibs on the Good Parts

An examination of vultures’ feeding patterns in Kenya show that some species show up early, in large groups, and claim the best pieces.

No Monkeying Around for These Partners

Genetic analysis supports what observation had already suggested about the steadfast monogamy of Azara’s owl monkeys in South American.

A Porpoise With a Big Chin

A newly identified ancient porpoise lived millions of years ago along the California coast, and had quite an underbite.

Reactions

Letters to the editor and online comments.

From the Health Section

Deadline Near, Health Signups Show Disparity

With the first open enrollment period set to end Monday, the Affordable Care Act looks less like a sweeping federal overhaul than a collection of individual ventures playing out unevenly, state to state, in the laboratories of democracy.

Well

Antiviral Drugs Cut Flu Deaths, Study Finds

Tamiflu and its siblings reduced the mortality rate in hospitalized patients by as much as 50 percent, researchers say.

From The Magazine
The Scientific Quest to Prove Bisexuality Exists

How a new breed of activists is using science to show — once and for all — that someone can be truly attracted to both a man and a woman.

Follow Science on

For the latest news, analysis and journalists' perspectives. Twitter list of staff journalists »

Editors' Picks

ScienceTake

A weekly video series on new research discoveries from how snakes fly and why fruit flies fight to how water bounces and metal chains can flow like fountains.

Billionaires for Science

As government financing of basic research has fallen off precipitously, philanthropists have stepped in, setting priorities and drawing both gratitude and trepidation from scientists.