jueves, 9 de junio de 2011

Science news


The Periodic Table Expands Once Again

Elements 114 and 116 were made by scientists smashing atoms of other elements together.
Pat O'Connor spraying insulation in the attic of a home in Flourtown, Pa.

U.S. Is Falling Behind in the Business of ‘Green’

Strong incentives in European and Asian countries have given them the lead in clean energy technologies.
 Gov. Chris Christie called for revisions to New Jersey’s 10-year energy master plan at a news conference in Trenton on Tuesday. Here, he spoke at the National Guard Armory in Toms River.

Calling for ‘Achievable’ Target, Christie Plans Cut in State’s Renewable Energy Goals

The plan sets the amount of electricity to be obtained from renewable sources at 22.5 percent by 2021, down from 30 percent.
NEWS ANALYSIS
A doctor treated a victim of the E. coli outbreak at a hospital in Germany on Monday. The source of the germ remains unknown.

Elusive Explanations for an E. Coli Outbreak

The German health authorities are struggling to identify the contaminated food behind the deadly E. coli outbreak.
SCIENTIST AT WORK BLOG
A bull moose grazing on the tundra.

Before the Mosquitoes Come

Scientists studying birds, plants and insects on the tundra have to watch out for mosquitoes and moose.
Science Times: June 7, 2011
The Caribbean box jellyfish, Tripedalia cystophora, has two complex eyes with a lens, cornea and retina, as well as one or more simple eyes that can distinguish light and dark.
Anders Garm and Jan Bielecki
The Caribbean box jellyfish, Tripedalia cystophora, has two complex eyes with a lens, cornea and retina, as well as one or more simple eyes that can distinguish light and dark.
Jellyfish have long been dismissed as so much mindless protoplasm with a mouth. Now, in a series of new studies, researchers have found that there is far more complexity and nuance to a jellyfish than meets the eye.

After 90 Years, a Dictionary of an Ancient World

Scholars at the University of Chicago have completed a project that includes 28,000 words from ancient Mesopotamia, covering a period from 2500 B.C. to A.D. 100.
FINDINGS

Could Liquid Nitrogen Help Build Tasty Burgers?

To produce the best burger, one needs advanced scientific cooking techniques, a former Microsoft executive says.
Elena Aprile

Women Atop Their Fields Dissect the Scientific Life

Four researchers taking part in the World Science Festival talked with The Times about their lives as scientists, the joys and struggles of research, and the specific challenges women in science face.
  •  Women in Science: Gina Kolata Interviews Elena Aprile, Joy Hirsch, Mary-Claire King and Tal Rabin
Health News
STRATEGIES A study at New Roads School in Santa Monica, Calif., asked high school sophomores to match graphs and equations in an online drill.

Brain Calisthenics for Abstract Ideas

Traditional classroom learning is generally rules first, application later. However, researchers are finding that repeated exposure to patterns seems to deepen understanding.
WELL

Piercing the Fog Around Cellphones and Cancer

So what do we really know about cellphones and health? Here are some answers to common questions about the issue.
MAN IN THE MIDDLE Dr. Jonathan Samet is chairman of a World Health Organization committee that found cellphones to be

A Doctor Who Must Navigate a Contentious Divide

An international agency’s finding that cellphones are “possibly carcinogenic,” has put Dr. Jonathan Samet in the middle of a scientific debate.
More News

Radiation Understated After Quake, Japan Says

Japan said that emissions from the Fukushima Daiichi nuclear power plant in the early days of the March 11 disaster might have been more than twice as large as a previous estimate.
TEMPERATURE RISING
Victor Valenzuela selects wheat plants for breeding at the International Maize and Wheat Improvement Center in Mexico.

A Warming Planet Struggles to Feed Itself

As global warming puts stresses on farmers feeding a growing world population, financing to develop new crop varieties and new techniques has been slow to materialize.
World Science Festival
The jazz guitarist Pat Metheny at a World Science Festival event on music and spontaneity on Saturday.

When the Melody Takes a Detour, the Science Begins

Jazz musicians and brain scientists in a World Science Festival panel discussion riffed on spontaneity, the power of listening and whether all this analysis kills the joy. (It doesn’t.)
On a patch of unmowed grass on Governors Island, Robert Naczi, right, a plant systematist with the New York Botanical Garden, described plant species to Daniela Maksin, 6, and her brother, Leon, 8.

Inquiring Minds on Governors Island

At the World Science Festival “Science on Site” event, the island was turned into a classroom and laboratory.
Speakers at the World Science Festival event,

Wielding Genomes in the Fight Against Cancer

Experts at the World Science Festival mused on individualized therapies, global involvement in clinical trials and the potential of genetic research to find a cure. Hint: It could take a while.

More Multimedia

SLIDE SHOW: An Ecological Ambassador

According to the owl researcher Denver Holt, snowy owls are a charismatic ambassador to the world to warn of problems caused by climate change.

INTERACTIVE FEATURE: What Makes Music Expressive?

What makes music expressive? Quiz yourself based on new research.

SLIDE SHOW: Readers’ Photos: A Family’s Best Friend?

Photos and stories of pets that were viewed differently by family members.

Rock-Paper-Scissors: You vs. the Computer

Test your strategy against the computer in this rock-paper-scissors game illustrating basic artificial intelligence.
Science Columns
Q & A

Flies in the Dark

Most species of flies, with mosquitoes one notable exception, are indeed just daytime fliers.
OBSERVATORY
A gorilla in Uganda. The animals eat extra protein when fruit is scarce.

Protein-Rich Diet Helps Gorillas Keep Lean

Protein makes up about 17 percent of the total energy intake for mountain gorillas in Uganda. That’s close to the 15 percent protein intake the American Heart Association recommends for people.
OBSERVATORY

Waves of Warmth In a Penguin Huddle

A coordinated movement allows every emperor penguin a chance to move from the colder outer region of the huddle into the warmer inner region.
OBSERVATORY
Halicephalobus mephisto eats bacteria and grows no bigger than two hundredths of an inch.

Gold Mine Treasure: A New Worm

A tiny nematode from a shaft of the Beatrix mine in South Africa is the first known multicellular organism to dwell at such depths.
Podcast: Science Times
Science Times Podcast
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This week: The science of hamburgers, women scientists and the brain of a jellyfish.
Health Columns
PERSONAL HEALTH

Law on End-of-Life Care Rankles Doctors

Doctors are pushing back against a new law in New York State that requires them to discuss palliative care with terminally ill patients.

The Claim: Cranberry Juice Can Cure Ulcers.

Cranberry juice has a long history as a home remedy for bladder infections. But may it also work against Helicobacter pylori, the bacterium responsible for most ulcers?
From Opinion
OP-ED CONTRIBUTOR

The Gas Is Greener

Sunlight and wind are naturally replenished, but converting them into electricity requires vast amounts of other natural resources.
Opinion
DOT EARTH BLOG

On Limits and Leaps

How resource limits vanish in the face of innovations.
WORDPLAY BLOG

Numberplay: The Museum and the Casino

A puzzle asking for the best strategy in a hypothetical casino game, provided by Glen Whitney, a founder of the Museum of Mathematics, which plans to open in New York City in 2012.

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