The Future of ChocolateResearchers are racing to fortify the embattled cacao tree and to meet increasing demand for cocoa made from its seeds
Volunteers Plug Holes in the Climate RecordOldweather.com is one of a handful of online initiatives that marshals the general public to help scientists with cutting-edge research
The Great Prostate Debate: Does Screening Save Lives?Evidence shows that screening does more harm than good. Now what?
Swept from Africa to the AmazonWhat the journey of a handful of dust tells us about our fragile planet
Controversy: Can Repeat Concussions Cause Lou Gehrig's Disease?Football players diagnosed with Lou Gehrig's disease may suffer from the effect of repeated blows to the head, controversial new research says
Fetal Armor: How the Placenta Shapes Brain DevelopmentScientists are finding that the placenta is far more than a passive filter
Designers of Exotic Materials Learn New Tricks from AnimalsChemist Joanna Aizenberg mines the deep sea and the forest wetlands for nature's design secrets and uses them to fashion new materials that may change the world
How Scientists Are Tackling the Bed Bug NightmareStudies of the bed bug's bizarre biology have revealed potential vulnerabilities
Is Space Digital?An experiment going up outside of Chicago will attempt to measure the intimate connections among information, matter and spacetime. If it works, it could rewrite the rules for 21st-century physics
50, 100 & 150 Years Ago
50, 100 & 150 Years Ago
Making Liquids Go Bipolar
It Detects Earthquakes and Lactose Intolerance
Orange Rinds May Help Rid Cows of E. Coli
Social Clicks: Sounds Associated with African Languages Are Common in English
Photo Quiz: Guess the Image
Should the U.S. Collaborate with China in Space?
"Mama's Boy" Monkeys Score with the Ladies
The Not-So-Hot Hand
The Impracticality of a Cheeseburger
Storybook Wishes for Martian Rovers
Inside the Mind of a Video Game Champ
In Sync, on a Quantum Level
Gumming Up Appetite
A Man-Made Contagion
A Long Flight but No Baggage
Animals Get the Upper Paw, or Hoof, or Claw
Does NIH Have a Bias against African-Americans?
From the Editor
A Sea of Spacetime Foam?
U.S. Science Degrees Are Up
Letters to the Editors
Readers Respond to "Toxins All Around Us" and Other Articles
Recommended: Science on Ice: Four Polar Expeditions
Lies We Tell Ourselves: How Deception Leads to Self-Deception
The Science Agenda
Unschooled in Hard Knocks
The Science of Health
Diabetes Mystery: Why Are Type 1 Cases Surging?