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1 June 2006 | ScienceNOW

Dining on DNA

by Katherine Unger

Genes allow bacteria to munch on DNA when times get tough

31 May 2006 | ScienceNOW

Mad Cows and Metals

by Katherine Unger

Too much manganese or copper can convert normal prions to a disease-associated shape

15 May 2006 | ScienceNOW

Cancer Agent Is a Stinker

by Katherine Unger

Mothball chemical blocks cell suicide and could let cancerous cells grow unchecked

2 May 2006 | ScienceNOW

Sushi's Slimming Secret?

by Dennis Normile

An amino acid found in seafood counters the ill effects of a fatty diet in mice

1 May 2006 | ScienceNOW

Mineral Time Capsules on Mars?

by Michael Schirber

Organic compounds trapped in sulfate minerals may reveal traces of life

31 March 2006 | ScienceNOW

How to Handle a Hungry Caterpillar?

by Robert Frederick

Corn protects itself by going for the gut

15 February 2006 | ScienceNOW

Hot Soup Not So Tasty for Early Life

by Michael Schirber

Volcanic pools may not have been ideal birthplace for first organisms

15 February 2006 | ScienceNOW

How Plants Avoid Incest

by Katherine Unger

Inbred pollen can't survive destructive enzymes

18 January 2006 | ScienceNOW

Heart Holds Clues to Aging

by Robert Frederick

Low-calorie diets may improve longevity by strengthening the heart

23 December 2005 | ScienceNOW

Building a Better Chemical Trap

by Michael Schirber

Cagelike molecules deliver their cargo in a flash

21 December 2005 | ScienceNOW

Reindeer Rhythms Run Free

by Gretchen Vogel

Extended periods of light and dark trigger the loss of 24-hour cycle in arctic dwellers

2 December 2005 | ScienceNOW

Worth the Weight

by Mary Beckman

Diet hormone may make comeback as a way to keep lost pounds from returning

27 October 2005 | ScienceNOW

Tracing tRNA's Tricky Tango

by Eli Kintisch

Scientists use supercomputer to hone in on how ribosomes make proteins

31 August 2005 | ScienceNOW

Pasta's Secret Sauce

by John Bohannon

Olive oil ingredient may explain health benefits of Mediterranean diet

4 August 2005 | ScienceNOW

Cut-Rate Genomes on the Horizon?

by Elizabeth Pennisi

Two new methods decrease the cost and time of DNA sequencing

16 March 2005 | ScienceNOW

A Cure for the Common Mold

by Karen Ross

Researchers solve mystery of why original penicillin producer was an underachiever

21 January 2005 | ScienceNOW

Too Much of a Good Thing

by Amitabh Avasthi

Plants have a defense mechanism to protect them against excess sunlight

3 January 2005 | ScienceNOW

Wake Me When It's Over

by Gretchen Vogel

A shift from sleeping late to rising early may signal end of adolescence

6 December 2004 | ScienceNOW

Toxic Sperm Blocker

by David Grimm

Enzyme that creates hydrogen peroxide ensures that only one sperm hits the mark

24 November 2004 | ScienceNOW

Protein Mends Broken Hearts

by Mary Beckman

A key player in heart development may prevent damage from heart attacks

23 November 2004 | ScienceNOW

Custom-Colored Proteins

by Robert F. Service

To evolve new markers, biochemists tap the natural talents of immune cells

19 October 2004 | ScienceNOW

Fastest Gun in the Sea

by David Grimm

Fish-hunting cone snail uses unique mechanism to capture prey

15 October 2004 | ScienceNOW

Curry Cover-Up Unraveled

by Sean Bruich

Brain study hints at why some spices mask the smell of rotting food

26 August 2004 | ScienceNOW

"Good" Cholesterol Carrier Deactivated in Heart Disease

by Robert F. Service

Insight into cholesterol chemistry could lead to better markers, treatments for heart disease

18 August 2004 | ScienceNOW

Gene Activators Created

by Robert F. Service

Small molecules could pave the way for new drugs

17 August 2004 | ScienceNOW

Contaminants in the Blood

by Rebecca Renner

Global survey finds varying levels of a perfluorinated chemical

16 August 2004 | ScienceNOW

New Doping Test Joins Olympics

by Gretchen Vogel

Officials in Athens will check athletes for illicit human growth hormone

9 April 2004 | ScienceNOW

Blood Cells Build Seashells

by Megan Mansell Williams

Crystal-carrying cells overturn long-held notions about how shells form

4 March 2004 | ScienceNOW

A Message From Her Majesty’s Eggs

by Fiona Proffitt

How an ant queen keeps in touch with the far reaches of her colony

4 November 2003 | ScienceNOW

Fish on Prozac

by Noreen Parks

Antidepressants end up in fish after flowing from sewer to stream

13 May 2003 | ScienceNOW

A Potential SARS Fighter?

by Gretchen Vogel

New model of a protein may provide a target for drugs against the killer disease

7 April 2003 | ScienceNOW

Picking Apart a Promiscuous Protein

by Mary Beckman

Enzyme's structure reveals why it goes after everything from heroin to nerve gas

14 November 2002 | ScienceNOW

Ancient Protein Sequenced

by Betsy Mason

A fossilized bison bone yields the sequence of a 55,000-year-old protein

8 November 2002 | ScienceNOW

New View of Cells' Innards

by Erica Goldman

Imaging advance promises a fresh look at organelles

15 April 2002 | ScienceNOW

A Fresh Start for Life?

by Robert Irion

The first cells may have formed in ponds, not in the ocean

16 November 2000 | ScienceNOW

Possible Progenitor of DNA Re-Created

by R. John Davenport

"TNA" might have been one step in the evolution of modern nucleotides

24 October 2000 | ScienceNOW

The Secret of Elasticity

by Jeanne Erdmann

New images may reveal how elastic proteins stretch and snap back

6 September 2000 | ScienceNOW

New Protein Contributes to Alzheimer's

by R. John Davenport

Nicastrin probably works in concert with other proteins to build devastating amyloid plaques

11 August 2000 | ScienceNOW

Flicking the Fat Switch

by Gretchen Vogel

Fat cells or muscle cells? A newly found protein decides

10 August 2000 | ScienceNOW

A Microbe's Engine Dissected

by Elizabeth Pennisi

Three studies finally reveal the innards of a molecular pump

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