Science Times: Jan. 25, 2011
More to a Smile Than Lips and Teeth
By CARL ZIMMER
Christian Northeast
A wide range of studies, from brain scans to cultural observations, are building a new scientific model of the smile.
For NASA, Longest Countdown Awaits
By KENNETH CHANG
Worries are growing that compromises will leave NASA without enough money to accomplish anything.
Lack of Sex Among Grapes Tangles a Family Vine
By NICHOLAS WADE
An unnatural abstinence threatens to sap the grape’s genetic health and the future pleasure of millions of oenophiles.
Canine Tumor Fuels Up by Stealing Parts From Host, Report Says
By CARL ZIMMER
A group of scientists have proposed that canine transmissible venereal tumors sometimes grab mitochondria, which produce the cell’s fuel, from the dogs they infect.
Harnessing the Brain’s Right Hemisphere to Capture Many Kings
By DYLAN LOEB McCLAIN
In chess and shogi, new research suggests that experts use parts of the brains that casual players do not.
Billions of Entangled Particles Advance Quantum Computing
By JOHN MARKOFF
Radio waves are used to entangle 10 billion pairs of particles in a silicon crystal, making qubits that will linger as long as several seconds — a lifetime in quantum computing.
SCIENTIST AT WORK BLOG
Titi Monkeys and White-Lipped Peccaries
By ANTHONY DI FIORE
A chorus of spider monkeys and a sighting of a herd of nervous white-lipped peccaries.
Rocks, Ice and Science in Antarctica
Geologists John Goodge and Jeff Vervoort brought home rocks — and photographs — from their research expedition in Antarctica.
More Science News
Cold Jumps Arctic ‘Fence,’ Stoking Winter’s Fury
By JUSTIN GILLIS
Europe and the United States have had two consecutive severe winters, but it is freakishly warm 2,000 miles to the north.
Design Picked for Wildlife Crossing
By MATTHEW L. WALD
A nonprofit group announced the winner of a competition to design a crossing to help migratory wildlife cross a section of Interstate 70 in Colorado.
Health News
As Doctors Age, Worries About Their Ability Grow
By LAURIE TARKAN
Many aging doctors are under increasing financial pressures that make them reluctant to retire; some experts warn that there are too few safeguards to protect patients against those who should no longer be practicing.
BOOKS
A Pound of Prevention Is Worth a Closer Look
By ABIGAIL ZUGER, M.D.
Wild enthusiasm in seeking and treating tiny abnormalities.
With Poem, Broaching the Topic of Death
By BEN DAITZ, M.D.
In Navajo culture, talking about death is thought to bring it about, so it is not discussed. Now health workers are trying to find a comfortable way to begin the conversation.
Multimedia
INTERACTIVE FEATURE: Playing With RNA
A demo of the EteRNA game in which players help create a library of synthetic RNA designs.
INTERACTIVE FEATURE: Is That a Smile? How Computers Recognize Expressions
A facial-recognition system is able to read human emotions by tracking face movements and linking the information with a database of expressions.
INTERACTIVE FEATURE: A Space Wardrobe
A collection of spacesuits, some worn by famous astronauts and others that never made it into space.
Video: Spacesuit Archives
Graphic: Dressed for Egress
INTERACTIVE FEATURE: Test Your Insight
Does your mood affect how quickly you intuit answers? Play this game to find out.
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