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- Physicists create synthetic magnetic monopoles in the lab
- Triassic-age 'swamp monster': Rare female phytosaur skull found in West Texas more than 200 million years old
- Neanderthals' genetic legacy: Humans inherited variants affecting disease risk, infertility, skin and hair characteristics
- Paleolithic humans from the north of Spain moved to dwellings with better logistics
- Certain probiotics could help women lose weight, study finds
- Converting adult human cells to hair follicle-generating stem cells
- DDT pesticide exposure linked to Alzheimer's disease, study shows
- Quality of white matter in the brain is crucial for adding and multiplying (but not subracting and dividing)
- Common crop pesticides kill honeybee larvae in the hive
- Sensitivity of carbon cycle to tropical temperature variations has doubled
- Engineers teach old chemical new tricks to make cleaner fuels, fertilizers
| Physicists create synthetic magnetic monopoles in the lab Posted: 29 Jan 2014 01:48 PM PST Researchers have created and photographed synthetic magnetic monopoles under lab conditions. The development lays the foundation for the underlying structure of the natural magnetic monopole – the detection of which would be a revolutionary event comparable to the discovery of the electron. |
| Posted: 29 Jan 2014 11:56 AM PST In the dangerous waters of an ancient oxbow lake created by a flooded and unnamed meandering river, the female phytosaur died and sank to the bottom 205 million years ago. About 40 yards away the remains of a larger male also came to rest, and both disappeared in a tomb of soil and sediment. Evidence for the cause of their deaths and the rest of their bodies have vanished with time, but their skulls remained. After careful research, a paleontologist says he and others have discovered a new species of the Triassic-age monster in the wilds of West Texas. |
| Posted: 29 Jan 2014 10:49 AM PST Remnants of Neanderthal DNA in modern humans are associated with genes affecting type 2 diabetes, Crohn's disease, lupus, biliary cirrhosis and smoking behavior. They also concentrate in genes that influence skin and hair characteristics. At the same time, Neanderthal DNA is conspicuously low in regions of the X chromosome and testes-specific genes. |
| Paleolithic humans from the north of Spain moved to dwellings with better logistics Posted: 28 Jan 2014 09:46 AM PST Scientists have traced the steps of the human beings that inhabited the region during the Paleolithic era. Through computer programs for geographical analysis, it is known that these nomads gradually abandoned high-altitude rocky shelters and caves to live on flatter plains. To see or to be seen? This is the question that humans inhabiting the Cantabrian coast during the Paleolithic era had to ask themselves. |
| Certain probiotics could help women lose weight, study finds Posted: 28 Jan 2014 07:35 AM PST Certain probiotics could help women lose weight and keep it off, according to a recent study. Studies have already demonstrated that the intestinal flora of obese individuals differs from that of thin people. That difference may be due to the fact that a diet high in fat and low in fiber promotes certain bacteria at the expense of others. Researchers tried to determine if the consumption of probiotics could help reset the balance of the intestinal microbiota in favor of bacteria that promote a healthy weight. |
| Converting adult human cells to hair follicle-generating stem cells Posted: 28 Jan 2014 06:41 AM PST Researchers have come up with a method to convert adult cells into epithelial stem cells, the first time anyone has achieved this in either humans or mice. The epithelial stem cells, when implanted into immunocompromised mice, regenerated the different cell types of human skin and hair follicles, and even produced structurally recognizable hair shaft, raising the possibility that they may eventually enable hair regeneration in people. |
| DDT pesticide exposure linked to Alzheimer's disease, study shows Posted: 27 Jan 2014 01:44 PM PST Scientists have known for more than 40 years that the synthetic pesticide DDT is harmful to bird habitats and a threat to the environment. Now researchers say exposure to DDT -- banned in the United States since 1972 but still used as a pesticide in other countries -- may also increase the risk and severity of Alzheimer's disease in some people, particularly those over the age of 60. |
| Posted: 27 Jan 2014 11:17 AM PST A new study has found that healthy 12-year-olds who score well in addition and multiplication have higher-quality white matter tracts. This correlation does not appear to apply to subtraction and division. |
| Common crop pesticides kill honeybee larvae in the hive Posted: 27 Jan 2014 09:28 AM PST Four pesticides commonly used on crops to kill insects and fungi also kill honeybee larvae within their hives, according to new research. Scientists also found that N-methyl-2-pyrrolidone -- an inert, or inactive, chemical commonly used as a pesticide additive -- is highly toxic to honeybee larvae. |
| Sensitivity of carbon cycle to tropical temperature variations has doubled Posted: 26 Jan 2014 10:46 AM PST The tropical carbon cycle has become twice as sensitive to temperature variations over the past 50 years, new research has revealed. The research shows that a one degree rise in tropical temperature leads to around two billion extra tons of carbon being released per year into the atmosphere from tropical ecosystems, compared with the same tropical warming in the 1960s and 1970s. |
| Engineers teach old chemical new tricks to make cleaner fuels, fertilizers Posted: 26 Jan 2014 10:46 AM PST University researchers from two continents have engineered an efficient and environmentally friendly catalyst for the production of molecular hydrogen, a compound used extensively in modern industry to manufacture fertilizer and refine crude oil into gasoline. |
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