News
- Paleontology
Dino feathers may have had earlier origin than thought
Researchers report that newly described dinosaur fossils suggest an ancient origin of feathers.
- Ecosystems
Too much intermingling puts native trout in trouble
Even a small amount of hybridizing may cause problems for the native westslope cutthroat trout.
- Space
Saturn’s quadruple play
Last February, the Hubble Space Telescope captured a portrait of Saturn as four of its moons simultaneously passed in front.
- Earth
North America’s smallest dino predator
A new fossil analysis uncovers what may have been North America’s tiniest dino predator.
- Health & Medicine
MicroRNAs provide telltale signature of organ rejection
Levels of microRNAs in the blood and tissue distinguish rejected transplants from healthy tissue.
- Physics
Elusive Higgs particle has fewer hideouts
Physicists have announced new limits on the mass of the elusive Higgs boson. The particle's discovery would complete the standard model of particle physics.
- Health & Medicine
Gradual treatment of peanut allergies shows promise
A slow and incremental introduction of peanuts into the diet helps some children overcome an allergy to the food, but it takes time and close supervision.
- Earth
Pushing back an oxygen-rich atmosphere
Hematite crystals in Australian rocks hint that Earth’s atmosphere was oxygenated earlier than previously thought.
- Humans
Radio relief for Rwandans’ social conflicts
Rwandans who listened to a yearlong radio soap opera developed increased tolerance for dissent, a greater sense of cooperation and more acceptance of marriage across ethnic lines.
- Earth
Goo gives eels just the right buoyancy
Scientists survey the specific gravity of 25 marine critters.
- Health & Medicine
Scientists find a soup of suspects while probing milk’s link to cancer
Latest studies focus on estrogens, androgens and IGF-1.
- Planetary Science
Seeing the future hot spells
Satellite data could help scientists better predict killer heat waves, such as the one that hit Europe in 2003.
