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Tina Hesman Saey, Science News

Stomach Bug May Be Linked to Parkinson's

Moth Mutation Explains Classic Example of Evolution

Gut Microbes May Foster Heart Disease

Brain-Wasting Prions Amass Before Dealing Deathblow

Helpful Mutations Didn't Sweep Through Early Humans

Prehistoric Pregnancy Booster Now Fuels Diabetes

Genetic History of Pneumonia-Causing Superbug Unraveled

Sleeping Protects Memories From Corruption

All-Nighters Make Bodies Hoard Calories

One-Fourth of DNA Born by 2.8 Billion Years Ago

Protein-Template Typos Confront Core Idea of Genetics

Human Genome Still Chock-Full of Mysteries

Muscles Remember Past Glory

Removing a Barrier to Regrowing Organs

Swine Flu Lacks Killer Molecule

Life on Earth Arose Just Once

Mice Make Their Own Morphine

Ear Infections Could Cause Long-Term 'Lazy Ear'

Human Genome Is Part Bornavirus

Tasmanian Devil Cancer Culprit Revealed