Articles By: Katherine Harmon

News 11/19/09
Cracked Corn: Scientists Solve Maize's Genetic Maze
Boasting more genes than humans, the corn genome proved difficult to decode
Features 11/19/09
How Humanlike Was "Ardi"?
A second look a the 4.4-million-year-old primate that has sparked debate about upright walking and what it means to be in the human tribe
Scientific American Magazine 11/17/09
For Sale: Human Eggs Become a Research Commodity
A decision to pay for eggs for stem cell studies sparks debate
News 11/16/09
Renewed Hope for an AIDS Vaccine
Despite questions, the Thailand trial spreads optimism
Features 11/13/09
Squashing Malaria: Advances in Research and Prevention [Slide Show]
From satellites to bacteria, researchers are searching high and low for the best tools to eradicate malaria
News 11/12/09
Out of Africa: The Tobacco War's New Battleground
As nicotine use spreads across Africa, cancer-fighting groups are advocating for stringent smoke-free laws as tobacco companies lobby to expand in a growing continental market
News 11/3/09
An Elemental Solution: Using Zinc to Stave Off Childhood Diarrhea in Developing Countries
A prolific killer of young children worldwide, diarrhea may have met its match with cheap and available zinc tablets. A new study examines how one country has gotten the word out to parents and doctors
Features 10/30/09
Zombie Creatures: What Happens When Animals Are Possessed by a Parasitic Puppet Master? [Slide Show]
From fungi to flies, some parasitic species have figured out how to control their host's behavior to get what they need. See what happens when bugs go really bad
News 10/21/09
Global Child Immunizations at All-Time High, Despite Rising Costs
A new report highlights the success of worldwide vaccine and immunization programs, but cautions about continued challenges and high costs
News 10/16/09
Rare Procedure Pinpoints the Location, Speed and Sequence of the Brain's Language Processes
Implanted electrodes in brains of presurgery patients show in real-time how Broca's area organizes language from perception to sound in milliseconds
News 10/15/09
Stem Cells from Fat Used to Grow Teen's Missing Facial Bones
Surgeons report success in first human bone growth procedure using fat stem cells--with no culturing necessary
News 10/12/09
Unusual Spider Species Passes Up Live Prey for Plants
A primarily vegetarian jumping spider gets ahead by taking advantage of ancient antacacia mutualism
News 10/9/09
Bye-Bye Birdie: New Look at Archaeopteryx Shows It Was More Dinosaur Than Bird
Microscopic analysis of Archaeopteryx fossils shows that the animal grew to maturity like a dinosaur rather than a modern bird
News 10/8/09
Retrovirus Linked to Chronic Fatigue Syndrome, Could Aid in Diagnosis
Recently implicated in some severe prostate cancer patients, the retrovirus XMRV has now been found in many with chronic fatigue--changing the landscape for diagnosis and possible treatment
Features 10/8/09
Petite Pictures: The 20 Microscopic Photo Competition Prizewinners
Putting the very small on the big stage, the 35th annual Nikon Small World Competition awards top images

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