ScienceDaily: Top Science News |
- Irreversible warming will cause sea levels to rise for thousands of years to come, new research shows
- Baboon personalities connected to social success and health benefits
- Homolog of mammalian neocortex found in bird brain
- Stem cells improve visual function in blind mice
- Zinc deficiency mechanism linked to aging, multiple diseases
- Marine animals could hold key to looking young: Sea cucumbers, sea urchins can change elasticity of collagen
- High-Arctic heat tops 1,800-year high, says study; Modern spike outmatches naturally driven 'medieval warm period'
- How memory load leaves us 'blind' to new visual information
| Posted: 01 Oct 2012 04:15 PM PDT Greenhouse gas emissions up to now have triggered an irreversible warming of Earth that will cause sea levels to rise for thousands of years to come, new research has shown.  |
| Baboon personalities connected to social success and health benefits Posted: 01 Oct 2012 12:19 PM PDT Whether human or baboon, it helps to have friends. For both species, studies have shown that robust social networks lead to better health and longer lives. Now, researchers have shown that baboon personality plays a role in these outcomes, and, like people, some baboons' personalities are better suited to making and keeping friends than others.  |
| Homolog of mammalian neocortex found in bird brain Posted: 01 Oct 2012 12:19 PM PDT Most higher-order processing by the human and mammalian brain is thought to occur in the neocortex, a structure on the surface of the brain. Now researchers have found cells similar to those of the mammalian neocortex in a vastly different anatomical structure in bird brains. This confirms a 50-year-old hypothesis that provoked decades of debate, sheds light on the evolution of the brain, and suggests new animal models for the neocortex.  |
| Stem cells improve visual function in blind mice Posted: 01 Oct 2012 11:11 AM PDT An experimental treatment for blindness, developed from a patient's skin cells, improved the vision of blind mice in a study conducted by ophthalmologists and stem cell researchers.  |
| Zinc deficiency mechanism linked to aging, multiple diseases Posted: 01 Oct 2012 11:10 AM PDT A new study has outlined for the first time a biological mechanism by which zinc deficiency can develop with age, leading to a decline of the immune system and increased inflammation associated with many health problems, including cancer, heart disease, autoimmune disease and diabetes.  |
| Posted: 01 Oct 2012 10:21 AM PDT Sea cucumbers and sea urchins are able to change the elasticity of collagen within their bodies, and could hold the key to maintaining a youthful appearance, according to scientists. The researchers investigated the genes of marine creatures such as sea urchins and sea cucumbers, known as echinoderms. They found the genes for "messenger molecules" known as peptides, which are released by cells and tell other cells in their bodies what to do.  |
| Posted: 01 Oct 2012 06:59 AM PDT Summers on the Norwegian archipelago of Svalbard are now warmer than at any other time in the last 1,800 years, including during medieval times when parts of the northern hemisphere were as hot as, or hotter, than today, according to a new study.  |
| How memory load leaves us 'blind' to new visual information Posted: 01 Oct 2012 06:59 AM PDT Trying to keep an image we've just seen in memory can leave us blind to things we are "looking" at, according to the results of a new study.  |
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