Uncategorized
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- Math
Largest known prime number found
The Great Internet Mersenne Prime Search, a cooperative computing project, helps find a prime that has nearly 13 million digits.
- Life
FDA releases guidelines for genetically modified animals
Draft rules lay out policies for approving altered animals, including those used for food.
- Chemistry
A better fate for plastic bottles
Using microbes to convert PET into a high-value plastic could encourage more recycling.
- Planetary Science
Racing against the Martian winter
With solid findings under its belt and the Martian summer waning, the Phoenix Mars lander perseveres in its study of the soil and sky of the planet’s arctic plain.
- Physics
A ‘novel’ chemistry to make fuel from sugar
It’s not alchemy, but it might sound like it: a new way to transform sugars from plants into gasoline, diesel or even jet fuel by passing the sugars over exotic materials.
- Life
First lipid hormone discovered
An omega-7 fatty acid made by fat and liver cells acts as a hormone, even mimicking the health benefits of insulin.
- Humans
Pain relief to believe in
Religious believers shown pictures that evoke spiritual responses display brain activity that may contribute to feeling relief from physical pain, a new study finds.
- Climate
Heat waves stunt grassland growth
An abnormally hot year can significantly suppress growth in grasslands, a stifling effect that lingers well into the next year even if temperatures return to normal. It can also hinder how well the grasslands absorb carbon dioxide from the atmosphere.
- Humans
The presidential candidates on science
The Science Debate 2008 team sent science and technology questions to Sens. John McCain and Barack Obama. Find out how they answered.
- Life
Fastest spores in the West (or anywhere)
SEE THE VIDEO: Researchers film a fungus catapulting its spores with an acceleration greater than what astronauts feel.
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Immune cell plays good cop, bad cop
Immune cells called macrophages aid neuron regeneration in some parts of the nervous system, but hinder regeneration in the brain and spinal cord.
