All Stories
-
AnimalsMosquitoes Remade
Scientists reinvent agents of illness to become allies in fight against disease.
By Susan Milius -
Chasing a Cosmic Engine
After 100 years, energetic space particles continue to pose a perplexing mystery.
By Nadia Drake -
GeneticsConvenience shoulders tomato taste aside
Decades of breeding for uniform color in unripe fruit may accidentally have reduced flavor.
By Susan Milius -
ArchaeologyOldest pottery comes from Chinese cave
New dates show that East Asian hunter-gatherers fired up cooking vessels 20,000 years ago.
By Bruce Bower -
AnimalsDinosaur debate gets cooking
A key piece of evidence for cold-blooded dinosaurs, growth lines in bones, has also been discovered in a set of warm-blooded animals.
By Meghan Rosen -
Health & MedicineMale contraceptive shows promise
Two hormones in gels applied to the skin effectively lower sperm counts, a study finds.
By Nathan Seppa -
HumansLead poisoning stymies condor recovery
California’s iconic comeback species may need human help as long as even a small percentage of the carcasses they eat contain lead shot.
By Susan Milius -
Health & MedicineEndocrine Society Annual Meeting
Highlights from the 94th annual meeting held June 23-26 in Houston.
By Nathan Seppa -
PhysicsOld battery gets a high-tech makeover
Redesigned nickel-iron battery gives modern lithium-ion devices a run for their money.
By Devin Powell -
HumansWhat Silicon Valley can learn from Mother Russia
Imperial tax records from the last decades of the Empire offer clues to what makes a start-up succeed.
-
HumansOzone: Heart of the matter
As reported this week, breathing elevated ozone levels can mess with the cardiovascular system, potentially putting vulnerable populations — such as the elderly and persons with diabetes or heart disease — at heightened risk of heart attack, stroke and sudden death from arrhythmias. Is this really new? Turns out it is.
By Janet Raloff -
EarthOzone hikes cardiovascular risk
The pollutant triggers inflammation and other changes that can heighten the risk of heart attack and stroke.
By Janet Raloff