Sun Glints
Brief glints of light reflected from distant planets may reveal the presence of liquid water or ice.
Value of Most
English speakers agree on a surprisingly narrow numerical value for the word "most."
Alzheimers Eye
An eye test could oneday screen for Alzheimer's disease early on.
Eating When Full
If you find yourself reaching for dessert when you're already full, the hormone ghrelin may be responsible.
Writing the Brain
Scientists have pinpointed the brain region responsible for efficient reading, writing and spelling.
Mountaintop Removal Mining
Mountaintop removal mining has long-term consequences for the environment and human health.
Disappointing Ginkgo
Researchers report that ginkgo biloba is ineffective against cognitive decline in older adults.
Microbe Fighting Roundup
A new nasal vaccine could combat malaria.
Gelatin Source
Reality Check investigates the urban legend that gelatin is made from cow hooves.
Food Fraud Fighters
Two high school students expose food-labeling fraud using a simple DNA technique.
Bone Roundup
Scientists unravel genetic clues that may explain why most of our bones lose density over time, but our skulls do not.
Volcanoes on Mercury
Ancient volcanoes found on the planet mercury challenge assumptions about the planet's chemical composition.
Angry Faces
A new study suggests that not only do we cue into angry faces, we're more likely to think they're looking right at us even if they're not.
Failing Vision
Nearsightedness is becoming more and more common in the United States.
Panda Love Songs
Vocalizations by female giant pandas change to indicate when they are fertile.
Feather Songs
A South American bird serenades potential mates by rubbing its wing feathers together.
Alzheimers and Cancer
A recent study suggests that people with Alzheimer's disease are less likely to get cancer, and vice-versa.