Fact or Fiction?: "Fat Letters" Help Kids Lose Weight
Schools are grading children’s body masses, but the data on such programs is scant
Fact or Fiction87 articles archived since 1845
Fact or Fiction?: Natural Gas Will Reduce Global Warming Pollution
Has burning natural gas instead of coal helped the U.S. economy decarbonize? It's complicated
Fact or Fiction?: Chocolate Is Good for Your Health
The most hyped science story of the 21st century starts with a cocoa bean
Fact or Fiction?: A "Base Tan" Can Protect against Sunburn
Studies of sunshine-denied human buttocks help settle the matter
Fact or Fiction?: Dark Matter Killed the Dinosaurs
A new out-of-this-world theory links mass extinctions with exotic astrophysics and galactic architecture
Fact or Fiction?: Vaccines Are Dangerous
Overwhelming medical evidence proves that negative side effects are rare and minor
Fact or Fiction?: The Explosive Death of Eta Carinae Will Cause a Mass Extinction
We almost certainly have nothing to fear from one of the largest and brightest stars in the sky
Fact or Fiction?: Geoengineering Can Solve Global Warming
Neither blocking sunlight nor capturing carbon can stop climate change
Fact or Fiction?: Antigravity Chambers Exist
We cannot cancel out gravity, but planes nicknamed “vomit comets” can come close
Fact or Fiction?: A Clove of Garlic Can Stop a Vaginal Yeast Infection
A medical expert weighs in on our burning questions about alternative therapies for this pesky invader
