How Paleo is “Paleo”?
Did our hunter-gatherer ancestors really eat a “Paleo” diet?
Cancer-Sniffing Scalpel
A new surgical knife can tell if it's cutting a tumor or healthy tissue.
Ocean Antibiotics
Researchers have discovered a compound in the Pacific Ocean that fights both staph infections and anthrax.
Self-Sustaining Buildings
The next generation of green buildings may be self-sufficient.
Secondhand Vaccinations
A vaccine for infants has surprisingly benefited unvaccinated seniors.
Lunar Insomnia
The full moon affects people's sleep cycles, even if they can't see it.
Ape Memory
Like humans, chimpanzees and orangutans can remember events that took place years in the past.
Dino Tooth Replacement
The world's largest dinosaurs had to replace their teeth constantly to keep up with all their eating.
Archaeology Roundup
Researchers have unearthed the earliest known evidence for the use of flowers to adorn human graves.
Refreshing Blood
Replenishing stored blood's nitric oxide may make transfusions more effective and less risky.
Rat Vocal Training
A vocal coaching experiment in rats could lead to better ways to keep our voices strong as we age.
Listening to Environmental Change
Automated nature recordings track the effects of climate change and habitat disturbance.
Evolution of the Fastball
Human anatomy is uniquely evolved to throw spears - and baseballs.
Climate Change & Soil Microbes
Soil microbes are affected by climate change, which could be a big deal.
Robotic Pets for Dementia
Robotic stuffed animals may help decrease anxiety in dementia patients.
Reverse Vaccine
A “reverse vaccine” may treat type 1 diabetes and other autoimmune diseases.
Foe-Foiling Fairywrens
Young Australian birds learn who their enemies are by watching their parents.
Math & Music History
Compositions from different periods in music history have different mathematical properties.
Kin-Seeking Fish
Social fish gravitate toward their relatives even if they've never met.
Addiction’s Flip Side
Circuits in the brain linked to drug withdrawal's unpleasant side effects may become targets for treatment.
Pollution & Drought
Pollution in the Northern Hemisphere was largely responsible for deadly droughts in late 20th century Africa.