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July 2005 Archives

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29 July 2005 | ScienceNOW

An e-Tag for Every Bag

by Genevra Ornelas
New modifications may someday make electronic chips as ubiquitous as bar codes
29 July 2005 | ScienceNOW

Tiny Valves Feel the Glow

by Carolyn Gramling
Researchers design molecular switches that open and close in response to light
28 July 2005 | ScienceNOW

Tiny Fossils Tell Tall Tale

by Erik Stokstad
Dinosaur embryos hint at evolution of giants
28 July 2005 | ScienceNOW

Clinging to Our Fears

by Cathy Tran
Whites and blacks hold onto negative associations about each other
27 July 2005 | ScienceNOW

A Brain Tumor's Achilles Heel

by Kelli Whitlock Burton
Drug that treats Crohn's disease also slows growth of gliomas in mice
27 July 2005 | ScienceNOW

Worthless Gifts Get the Chicks

by Kim Krieger
For males looking to mate, it's the wrapping that counts
27 July 2005 | ScienceNOW

A New Hybrid, Animal Style

by John Bohannon
Thanks to human help, two species combined to form a new kind of fly
Def
27 July 2005 | ScienceNOW

Cancer Cells Signal Before They Migrate

by Carolyn Gramling
Genetic warning may help doctors better diagnose and treat aggressive tumors
Def
26 July 2005 | ScienceNOW

Stem Cells Bring Home the Bacon

by Jennifer Couzin-Frankel
Researchers claim to have turned pig skin cells into embryos
26 July 2005 | ScienceNOW

Circumcision May Lower AIDS Risk

by Jon Cohen
South African study shows procedure provides 65% protection from HIV infection
26 July 2005 | ScienceNOW

Energy Bill Moves Towards Passage

by Eli Kintisch
Measures include research into new energy sources and liability protections for nuclear power
Def
26 July 2005 | ScienceNOW

New Eggs From Bone Marrow?

by Gretchen Vogel and Jennifer Couzin
Controversial study could provide hope for infertile women
26 July 2005 | ScienceNOW

Discovery Blasts Into Orbit

by Andrew Lawler
Shuttle heads for rendezvous with international space station
25 July 2005 | ScienceNOW

No Candy for Kitty

by Cathy Tran
Cats don't seek out sugar because they can't taste it
25 July 2005 | ScienceNOW

When Good Clones Go Bad

by Jennifer Couzin-Frankel
Why have many of Dolly's successors been underachievers?
25 July 2005 | ScienceNOW

Bone, Grow Thyself

by Robert F. Service
Researchers grow new bone in rabbits and transplant it to repair damage
22 July 2005 | ScienceNOW

What Caused the Martian Floods?

by Mason Inman
New research suggests mineral deposits released deluges that carved the planet's surface
22 July 2005 | ScienceNOW

Senator Floats Stem Cell Amendment

by Constance Holden
Last-ditch tactic might make more lines available for research
22 July 2005 | ScienceNOW

Atlantis Rises Again

by Genevra Ornelas
A new sea-floor analysis reveals that a sunken landmass could have been the fabled island
21 July 2005 | ScienceNOW

Battle of the Bugs

by Aparna Sreenivasan
The bacterium that causes sinus infections uses the body's immune system to kill off competitors
21 July 2005 | ScienceNOW

Alive and Kicking Under the Sea Floor

by John Bohannon
Microbial communities once thought dormant or dead are surprisingly active
21 July 2005 | ScienceNOW

Attack of the Caterpillars

by Cathy Tran
Newly discovered Hawaiian species hunts snails with webs of silk
21 July 2005 | ScienceNOW

A Martian Deep Freeze

by Kim Krieger
Meteorites suggest red planet has been frigid for billions of years
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21 July 2005 | ScienceNOW

Heavy Metals Go Down with Smoke

by Erik Stokstad
CDC report finds lower human exposure to secondhand smoke, lead, and mercury
20 July 2005 | ScienceNOW

Life Under the Broken Ice

by Carolyn Gramling
Shattered Antarctic shelf reveals hidden ecosystem
20 July 2005 | ScienceNOW

Sifting with Light

by Carolyn Gramling
New technique harnesses light and electrical force to move microscopic objects
20 July 2005 | ScienceNOW

Why Young Lovers Have Sons

by Fiona Proffitt
Male offspring are more virile when fruit-flies hook up with youthful mates
20 July 2005 | ScienceNOW

Los Alamos Bidding Closed

by Eli Kintisch
University of California and Lockheed Martin are top competitors
19 July 2005 | ScienceNOW

How Much Tamiflu is Enough?

by Martin Enserink
Standard drug regimen may not suffice to fight fatal bird flu strain, study suggests
19 July 2005 | ScienceNOW

Reading Is Believing

by Cathy Tran
E-mail exchanges cause us to hold onto stereotypes about the person on the other end
18 July 2005 | ScienceNOW

Sticky Valves and Broken Hearts

by Mary Beckman
Mutant gene links at least two major causes of heart valve disease
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18 July 2005 | ScienceNOW

Award Seeks to Speed Progress on AIDS Vaccine

by Jon Cohen
New center for HIV research will receive more than $300 million over 7 years
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18 July 2005 | ScienceNOW

Ducks Help Spread Asian Bird Flu

by Dennis Normile
Animals can harbor and shed H5N1 virus for up to 17 days
15 July 2005 | ScienceNOW

Senate Approves 3.7% Raise for NIH

by Jocelyn Kaiser
Meanwhile, House proposes plan to tweak institute's management
14 July 2005 | ScienceNOW

Why Lazy Muscles Don't Get Wasted

by Carolyn Gramling
Protein prevents muscle breakdown in sedentary mice
14 July 2005 | ScienceNOW

Don't Call It Junk

by John Bohannon
Gene-free DNA of higher organisms may make complex bodies possible
14 July 2005 | ScienceNOW

Arctic Birds Come Bearing Toxins

by Genevra Ornelas
Animals may be responsible for high levels of mercury and DDT in local waters
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14 July 2005 | ScienceNOW

Forty-Four Researchers Broke NIH Consulting Rules

by Jocelyn Kaiser
A handful of violators could face criminal penalties
14 July 2005 | ScienceNOW

Memory Loss Reversed in Mice

by Cathy Tran
Finding suggests long-implicated tangled structures in the brain may be incidental
13 July 2005 | ScienceNOW

My Three Suns

by Govert Schilling
Newly-discovered planet basks in the light of three stars
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