Páginas

miércoles, 8 de diciembre de 2010

science

SpaceX’s Falcon 9 rocket lifting off in Cape Canaveral, Fla., on Wednesday.

Private Spacecraft Back From Orbit

The capsule’s splashdown in the Pacific Ocean went as smoothly as the launching of the Falcon 9 rocket.

Report Finds Oil-Drilling Inspectors in Disarray

Federal inspectors charged with ensuring the safety of offshore oil drilling are overwhelmed, insufficiently trained and lack official procedures for crucial decisions, investigators found.

U.S. and China Narrow Differences at Climate Talks in Cancún

With narrowing differences over a key issue, verification, there is growing hope of modest success at the conference.
SCIENTIST AT WORK BLOG
A glacial moraine along the side of the Boomerang Range. Reached by helicopter, Mark Fanning is scanning the clasts for signs of old basement rocks.

Antarctica’s Geological Secrets

Scientists begin research to build a better picture of the continent hidden beneath the polar ice cap of Antarctica.
GREEN BLOG
“Protection of Reefs Now!” reads a banner in Spanish unfurled by Greenpeace divers in the Gulf of Mexico. A Greenpeace vessel is helping to gather information on baseline conditions of coral on the Alacranes Reef there.

An Alert on Ocean Acidity

Carbon dioxide emissions from man-made sources are causing the acidity level to rise at what is probably the fastest rate in 65 million years, threatening global fisheries, a study says.
Science Times: The Puzzle Moment
Craig Frazier
Research suggests that the idea of doing a puzzle shifts the brain into an open, playful state that is itself a pleasing escape.

An 11-Letter Word for Perfectionist? Starts With C

Students at Brown show how crossword constructing is done.
FINDINGS

On a Hunt for What Makes Gamers Keep Gaming

Video game designers hope to harness some of the thousands of hours spent playing for tackling scientific problems and a host of other tasks.
 BY DESIGN  Note this puzzle’s figures: a snow flake and howling dog among the loose pieces, and a horseshoe beneath the topmost bird.

Eye for Art and Artistry Amid Jigsaw’s Jumble

The history of the venerable jigsaw puzzle and how it has evolved to include dazzlingly intricate designs that may knock your eyes out.
PUZZLER AT WORK | DAN FEYER
Daniel Feyer working on a Saturday crossword puzzle.

Across and Down, the Wizard Who Is Fastest of All

Dan Feyer whips through 20 crosswords a day, is the winner of this year’s American Crossword Puzzle Tournament and has 100,000 puzzles saved on his computer.
 CALCULATIONS  The scribe of the Rhind Mathematical Papyrus, an Egyptian document more than 3,600 years old, introduces the roughly 85 problems by saying that he is presenting the “correct method of reckoning, for grasping the meaning of things and knowing everything that is, obscurities and all secrets.”

Math Puzzles’ Oldest Ancestors Took Form on Egyptian Papyrus

The documents were not recreational diversions, but practical guides to keeping up with a maturing civilization.
ESSAY
 WHAT’S THE POINT?  Teller, right, with his partner, Penn Jillette, invents complex magic tricks but says “I’ve never found puzzles attractive. Why would you deliberately expose yourself to stress and frustration?”

Enigma: Asking the Mind to Jump Through Hoops

Second helpings of opinions on puzzles.
ADAPT  H.M. has brain surgery to ease seizures.

No Memory, but He Filled In the Blanks

A man who had brain tissue removed in 1953 stunned researchers over the years by learning some new facts and maintaining his addiction to crossword puzzles.
ESSAY
At the British Museum, some of the walrus-tusk Lewis Chessmen, about 800 years old.

A Puzzle Solver Moves On to Life’s Riddles

A former puzzle addict is now searching for answers to life’s persistent questions.
More Science News
Zhang Yue, chairman of Broad Air Conditioning, has emerged as China’s most outspoken tycoon on environmental issues.

Chinese Tycoon Focuses on Green Construction

Zhang Yue advocates limits on greenhouse gases that would also benefit his company, a maker of air-conditioners.

 SHOWER OF COLORS  Carl Schoonover, 27, who is midway through a Ph.D. program in neuroscience at Columbia, decided to draw the general reader into his subject with the sheer beauty of its images in “Portraits of the Mind: Visualizing the Brain from Antiquity to the 21st Century,” newly published by Abrams.

SLIDE SHOW: The Beautiful Mind

Images from “Portraits of the Mind: Visualizing the Brain From Antiquity to the 21st Century” show new techniques in trying to understand the mysteries of the brain.

INTERACTIVE GRAPHIC: A New Generation of Robotic Weapons

Several manufacturers and research facilities are changing the face of the battlefield with robots designed to help transport equipment, gather intelligence and attack enemy forces.

VIDEO: The Animators of Life

Building on decades of research and mountains of data, scientists and animators are now recreating in vivid and sometimes jaw-dropping detail the complex inner machinery of living cells.

INTERACTIVE FEATURE: Voices: What's Next in Science

Here are prognostications for science in 2011 from 10 leading figures in 10 widely scattered disciplines, from genomics to mathematics to earth science.

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