ScienceDaily: Top Science News |
- 2012 sustained long-term climate warming trend, NASA finds
- Where there's smoke or smog, there's climate change
- Major step toward an Alzheimer's vaccine
- Born to lead? Leadership can be an inherited trait, study finds
- Some children lose autism diagnosis: Small group with confirmed autism now on par with mainstream peers
- Childhood trauma leaves its mark on the brain
- Neon lights up exploding stars
- Scientists find 'bipolar' marine bacteria, refuting 'everything is everywhere' idea
| 2012 sustained long-term climate warming trend, NASA finds Posted: 15 Jan 2013 04:02 PM PST Scientists say 2012 was the ninth warmest of any year since 1880, continuing a long-term trend of rising global temperatures. With the exception of 1998, the nine warmest years in the 132-year record all have occurred since 2000, with 2010 and 2005 ranking as the hottest years on record. |
| Where there's smoke or smog, there's climate change Posted: 15 Jan 2013 12:35 PM PST In addition to causing smoggy skies and chronic coughs, soot -- or black carbon -- turns out to be the number two contributor to global warming. It's second only to carbon dioxide, according to a four-year assessment by an international panel. The new study concludes that black carbon, the soot particles in smoke and smog, contributes about twice as much to global warming as previously estimated, even by the 2007 Intergovernmental Panel on Climate Change. |
| Major step toward an Alzheimer's vaccine Posted: 15 Jan 2013 11:38 AM PST Medical researchers have discovered a way to stimulate the brain's natural defense mechanisms in people with Alzheimer's disease. This major breakthrough opens the door to the development of a treatment for Alzheimer's disease and a vaccine to prevent the illness. |
| Born to lead? Leadership can be an inherited trait, study finds Posted: 15 Jan 2013 08:15 AM PST Genetic differences are significantly associated with the likelihood that people take on managerial responsibilities, according to new research. |
| Posted: 15 Jan 2013 07:15 AM PST Some children who are accurately diagnosed in early childhood with autism lose the symptoms and the diagnosis as they grow older, a new study has confirmed. The research team made the finding by carefully documenting a prior diagnosis of autism in a small group of school-age children and young adults with no current symptoms of the disorder. |
| Childhood trauma leaves its mark on the brain Posted: 15 Jan 2013 06:02 AM PST Scientists have found evidence that psychological wounds inflicted when young leave lasting biological traces -- and a predisposition toward violence later in life. |
| Neon lights up exploding stars Posted: 15 Jan 2013 05:55 AM PST An international team of nuclear astrophysicists has shed new light on the explosive stellar events known as novae. These dramatic explosions are driven by nuclear processes and make previously unseen stars visible for a short time. The team of scientists measured the nuclear structure of the radioactive neon produced through this process in unprecedented detail. Their findings show there is much less uncertainty in how quickly one of the key nuclear reactions will occur as well as in the final abundance of radioactive isotopes than has previously been suggested. |
| Scientists find 'bipolar' marine bacteria, refuting 'everything is everywhere' idea Posted: 14 Jan 2013 12:34 PM PST In another blow to the "Everything is Everywhere" tenet of bacterial distribution in the ocean, scientists have found "bipolar" species of bacteria that occur in the Arctic and Antarctic, but nowhere else. |
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