News
- Health & Medicine
In youth hockey, more contact means more injuries
Concussions are three times more common among 11- to 12-year-olds in leagues that permit checking, a Canadian study finds.
- Humans
Secondhand smoke linked to mental distress
A Scottish survey finds a link between exposure to cigarette smoke and serious emotional problems.
- Planetary Science
Before the Mississippi, minerals show ancient rivers flowed west
Michigan zircons uncover the path of an ancient river system across North America.
- Life
Marine creature cooks up chemical defense from food
The sea hare transforms a benign algal pigment into a noxious molecule to help ward off crabs and other predators, new studies show.
- Physics
A giant proposal for a new type of molecule
Atoms linked across vast distances, can point in two directions at once
- Space
Jupiter takes yet another hit
For the third time in 16 years, astronomers have documented a collision between Jupiter and a nearby body.
- Animals
Sex, crickets and videotape
Security cameras focused on insects in the wild are looking at whether lab science has gotten the singing, mating and fighting right.
- Humans
2010 Kavli Prizes awarded
The 2010 Kavli laureates in astrophysics, nanoscience and neuroscience are named for work on powerful telescopes, neuron chatter molecules, building structures with DNA and a method for moving individual atoms.
- Health & Medicine
New angle on treating sepsis
An enzyme that plays a role in the lethal inflammatory disorder may be a suitable drug target, early tests show.
- Humans
Tracing Jewish roots
An analysis of the entire genome of Jewish people shows Middle Eastern roots and traces ancestry across the globe.
- Animals
Diversified portfolio yields benefit for salmon stocks
Local diversity keeps sockeye from going bust every few years, a study finds.
- Life
Seaweed genome reveals tools for multicellular lifestyle
Genetic blueprints of a brown alga reveal adaptations to changing tides and may give clues for to evolution of more complex life.
