Category: Biochemistry

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13 June 2013 | ScienceNOW

ScienceShot: Getting Water to March in Single File

by Robert F. Service

The highest ever resolution crystal structure of a membrane protein shows how water zips inside cells

19 September 2012 | ScienceNOW

Live Chat: Do Hungry Primates Live Longer?

by Jennifer Couzin-Frankel

Talk with experts about whether eating less can slow aging

26 July 2012 | ScienceNOW

Old Termites Blow Themselves Up to Protect the Nest

by Sarah C. P. Williams

Aging insects carry explosive crystals on their backs

20 March 2012 | ScienceNOW

ScienceShot: Strong Smells = Small Bites

by Sarah C. P. Williams

Odors may encourage smaller portions

10 January 2012 | ScienceNOW

The First Oxygen Users?

by Jane J. Lee

Study flashes back to earliest point at which organisms used oxygen for fuel

23 November 2011 | ScienceNOW

Native American Blankets Made With Dog Hair

by Traci Watson

Coast Salish people wove fur of an unusual canine into their textiles

12 September 2011 | ScienceNOW

Lasker Awards Honors for Studies of Protein Folding, Malaria Drug

by Jocelyn Kaiser

Scientists who discovered a cell "machine" involved in protein folding and a life-saving treatment for malaria are this year's recipients

6 September 2011 | ScienceNOW

Live Chat: Contagion and the Threat of a Viral Pandemic

by Jon Cohen

Talk to experts about bioterrorism and scientific accuracy in Hollywood. NOTE: Special time 2 p.m. Thursday

19 August 2011 | ScienceNOW

Podcast: Kamikaze Bacteria, an Alien 'Earth-Mars' Collision, and Predictable Evolution

by David Grimm and Stewart Wills

Listen to a roundup of some of our favorite stories from this week

22 July 2011 | ScienceNOW

How Blasts Injure the Brain

by Greg Miller

New findings may provide important clues to how explosions cause traumatic brain injury in soldiers

15 July 2011 | ScienceNOW

Podcast: An Arctic Mystery, the Real Dino Killer, and a Tool-Using Fish

by David Grimm and Stewart Wills

Listen to a roundup of some of our favorite stories from the week

14 July 2011 | ScienceNOW

Bacteria Flash Like Christmas Lights

by Sara Reardon

E. coli can fire their membranes electrically like neurons

12 July 2011 | ScienceNOW

Skeleton May Help Solve Mystery of Doomed Franklin Expedition

by Sara Reardon

Reanalysis of 150-year-old bones provides clues to fate of Arctic explorers

4 June 2011 | ScienceNOW

Melanoma Drug Combo Shows Promise in Early Trial

by Jocelyn Kaiser

A widely hailed new drug for melanoma, which was tested in combination with another drug to boost its tumor-fighting power, has done well in a key safety trial.

7 January 2011 | ScienceNOW

Can a Simple Model Explain the Advent of Cells?

by Tim Wogan

An abstract model suggests that simple interactions between two chemicals are all that's needed to form "protocells"

6 January 2011 | ScienceNOW

A Woman's Tears: The Anti-Viagra?

by Jennifer Carpenter

An unidentified chemical in tears turns men off, a study suggests

6 January 2011 | ScienceNOW

Is Alzheimer's Disease Written in Blood?

by Jennifer Couzin-Frankel

New diagnostic test checks blood for telltale antibodies

20 April 2010 | ScienceNOW

No Silver Lining in Restaurant Sushi's Mercury Levels

by Janelle Weaver

High-priced tuna contains more of the metal than lower-priced supermarket fare

12 November 2009 | ScienceNOW

Chemical Reactions Guide Birds Home

by John Bohannon

Two new studies help reveal nature of internal compass

17 September 2009 | ScienceNOW

And the Solar System's Coldest Spot Is ...

by Richard A. Kerr

Scientists reveal chilly findings--and uncertain prospects for future astronauts--at NASA press conference

19 May 2009 | ScienceNOW

Tumors Trigger Cancer Blues

by Jennifer Couzin-Frankel

Biochemical signals from tumors cause anxiety and depression in rats

7 May 2009 | ScienceNOW

Fluorescent Proteins Go Invisible

by Robert F. Service

Infrared proteins allow researchers to track molecules deep within the tissues of living animals

16 March 2009 | ScienceNOW

Southpaw Solar System

by Phil Berardelli

Meteorites might have seeded early Earth with "left-handed" amino acids

14 January 2009 | ScienceNOW

Methane Emissions? Don't Blame Plants

by Claire Thomas

Study refutes controversial finding that plants make greenhouse gas

19 September 2008 | ScienceNOW

Fat Molecule Fights Weight Gain

by Rachel Zelkowitz

Compound prevents mice from storing unhealthy fat

16 September 2008 | ScienceNOW

FBI to Request Scientific Review of Its Anthrax Investigation

by Yudhijit Bhattacharjee

National Academy of Sciences will evaluate evidence that implicated Army researcher

20 June 2008 | ScienceNOW

Smart Girls Eat Fish

by Ann Gibbons

Choice of dietary fat affects intelligence

6 February 2008 | ScienceNOW

How to Give a Gator Heartburn

by Elsa Youngsteadt

Surgery on alligators solves the mystery of their unique circulatory system

29 January 2008 | ScienceNOW

A Clockwork Skin Cell

by Gisela Telis

Your cells indicate whether you're an early or late riser

15 January 2008 | ScienceNOW

Mmmm … Bacteria

by Elsa Youngsteadt

Microbes in food may have a profound effect on the body's metabolism

21 August 2007 | ScienceNOW

An Aphrodisiac Without the Itch

by Benjamin Lester

Arctic birds flip for tick deterrent

13 April 2007 | ScienceNOW

The Immune System's Hardened Truth

by Sarah C. P. Williams

Researchers clarify link between body's defenses and heart disease

25 January 2007 | ScienceNOW

Key Vitamin Finds Its Lock

by Dan Ferber

After decades of searching, researchers discover how vitamin A enters cells

11 December 2006 | ScienceNOW

Need a Nap? Spit Here

by Robert Frederick

Levels of salivary protein linked to degree of tiredness

11 October 2006 | ScienceNOW

Milk: It Does a Newborn Good

by Rhitu Chatterjee

Pheromone in mother's milk helps pups learn new smells

6 October 2006 | ScienceNOW

Perchlorate Impacts Thyroid at Low Doses

by Erik Stokstad

Large CDC study shows rocket compound in water impacts women with low levels of iodine; concern for pregnant women

14 August 2006 | ScienceNOW

Why Mussels Can Stick to Anything

by Susan Gaidos

Amino acid in mussels' glue ensures that they're not slippery when wet

26 July 2006 | ScienceNOW

Genes Give Cells an Electric Personality

by Laura Blackburn

Researchers identify biological basis for a cell's response to electric fields

6 July 2006 | ScienceNOW

Gone to Pot?

by Mary Beckman

Early exposure to key marijuana ingredient makes rats crave harder drugs as adults

23 June 2006 | ScienceNOW

Marinade Is Soy Good for You

by Mary Beckman

Soy sauce and sugar cut the production of carcinogenic compounds in cooked meat

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