News
- Health & Medicine
World Health Organization raises swine flu alert level
The World Health Organization announced April 29 that is has raised the alert level for swine flu from Phase 4 to Phase 5, which suggests that a pandemic is imminent.
- Health & Medicine
Brain reads word-by-word
The brain reads words as whole units and processes the information quickly, two studies suggest.
- Health & Medicine
New weapon fights hepatitis C
Taking the experimental drug telaprevir with standard medications for hepatitis C clears the virus from patients’ blood better than the standard combination alone.
- Earth
A limit for carbon emissions: 1 trillion metric tons
To reduce risks of severe damage from climate change, humans should burn no more than 1 trillion tons of carbon in total, researchers suggest.
- Life
Connectivity may play role in autism
Large studies of autism suggest connections between neurons are the culprit.
- Life
Mimivirus up close
Scientists get a closer look at the structure of mimivirus, the largest virus in the world.
- Humans
Obama pledges 3 percent of GDP for research
BLOG: Highlights of what the president announced to the National Academy of Sciences.
- Space
Most distant known object in the universe
Astronomers have discovered a gamma-ray burst emanating 13.035 billion light-years from Earth, making it the universe's most distant known object.
- Health & Medicine
Swine flu outbreak likely to continue, officials say
Even as public health data on the new outbreak change daily, biological information on the mysterious virus remains scant.
- Animals
Caterpillars’ chirp could be scary
Larvae of great peacock moths might signal that they’ll put up a fight.
- Plants
Climatic effects of tree-killing hurricanes
A new analysis suggests storm damage returns millions of metric tons of carbon dioxide to the atmosphere each year.
- Life
Function for green fluorescent protein
Scientists find that the glowing molecule also passes electrons, offering a new clue about the natural function of a protein that's become ubiquitous in molecular biology.
