Stories by Sarah Graham

Tropical Primate Found to Hibernate

Sulphur Fumes Impair Memory, Snail Study Suggests

Cereals Sought Much Earlier Than Previously Thought, Archaeologists Say

Global Study Links Climate to Rates of Childhood Asthma

Gene Linked to Lasting Love in Voles

Cassini Flyby Gives Clues to Origin of Saturn's Moon Phoebe

Record-Breaking Ice Core May Hold Key to Climate Variation

Rat Study Elucidates Long-Ago Human Migration

Tiny Fossils Could Be First Complex Animals

Dinosaur Discoveries Help Clock Continental Drift

Chocolate Compounds Boost Blood Vessel Function

Astronomers Discover Youngest Planet Yet

Quasars' Humble Roots Revealed

Rat Study Shows That Exercise Promotes Neuron Growth

Prions Found in Muscles of Scrapie-Infected Sheep

Dog Breeds Ideal for Studying Human Diseases, Scientists Say

Chandra Observations Confirm Existence of Dark Energy

MRI Movie Maps Brain Development

Psychological Stress Better Predictor of Back Pain Than Standard Diagnostic Techniques

Signs of Crater Linked to Mass Extinction Said Found

Regular Mini Doses of Caffeine More Energizing Than Morning Mug

GM Plants Could Lessen Need for Nitrogen Fertilizers

Cutting Off Blood Supply to Fat Cells Slims Obese Mice

Fossils Reveal Hummingbirds Once Flew Farther Afield