ScienceDaily: Latest Science News |
- Brain's master switch is verified
- Gender specific disease risks start in the womb
- GOCE satellite determines gravitational force in the Himalayas
- Whole body MRI is highly accurate in the early detection of breast cancer metastases
- How does ice flow? First results of a new measurement method in Antarctica
- Sponsoring by the pharmaceutical industry can bias the results of drug studies, study suggests
- Seeing into the heart of planetary systems
- Fragile X syndrome gene's role in shaping brain uncovered
- Biologists discover an extra layer of protection for bacterial spores
- Simple gene test identifies clinically important subtypes of breast cancer
- Algae advances as a 'green' alternative for improving water quality
- Hardship and human rights violations continue among Burma cyclone survivors
- New nerve cells -- even in old age: Researchers find different types of stem cells in the brains of mature and old mice
- Mild-mannered metabolic helper rushes to fight invading viruses, researchers report
- New Martian views from orbiting camera show landscape diversity
- Pluripotent and differentiated human cells reside in decidedly different epigenomic landscapes
- World record in current intensity achieved with distribution cables
- Drivers who delay license reinstatement after suspension are often high risk
| Brain's master switch is verified Posted: 09 May 2010 02:00 PM PDT The protein that has long been suspected by scientists of being the master switch allowing brains to function has now been verified. New research shows that the protein called synaptotagmin1 is the sole trigger for the release of neurotransmitters in the brain. |
| Gender specific disease risks start in the womb Posted: 09 May 2010 02:00 PM PDT Pregnancy places competing demands on a mother's physiology: Her body wants to produce a healthy baby but not at the expense of her own health. Therefore, she passes so-called "imprinted genes" on to her child to protect her body from excessive demands from the child. Genes inherited from the father, however, aim at getting as many resources for the fetus as possible. This battle of genes might be at the root of later life diseases. |
| GOCE satellite determines gravitational force in the Himalayas Posted: 09 May 2010 02:00 PM PDT Researchers report the first interim results of the ESA mission GOCE, the Gravity Field and Steady-State Ocean Circulation Explorer. Evaluations of the first data from the satellite indicate that current models of Earth's gravitational field in some regions -- the Himalayas, for example -- can be fundamentally revised. The results could contribute to better understanding of many geophysical processes. |
| Whole body MRI is highly accurate in the early detection of breast cancer metastases Posted: 09 May 2010 02:00 PM PDT Whole body magnetic resonance imaging should be the imaging modality of choice for the detection of breast cancer metastases (when the cancer has spread beyond the breast) as it is highly accurate and can detect bone metastases while a patient is still asymptomatic (shows no symptoms), according to a new study. |
| How does ice flow? First results of a new measurement method in Antarctica Posted: 09 May 2010 02:00 PM PDT Researchers in Germany report results from an environmentally friendly measurement method used on an Antarctic ice-shelf for the first time in early 2010. The method supplies data that are input to models for the ice mass balance and thus permit better forecasting of future changes in the sea level. |
| Sponsoring by the pharmaceutical industry can bias the results of drug studies, study suggests Posted: 09 May 2010 02:00 PM PDT Drug studies financed by pharmaceutical companies frequently show positive results in favor of the sponsor. In a new study, a research team in Germany describes the influence of sponsoring on the results, protocol and quality of drugs studies. |
| Seeing into the heart of planetary systems Posted: 09 May 2010 08:00 AM PDT Using four of the world's largest telescopes, scientists have obtained the most detailed information yet from the regions around two young stars tens of light years away, finding compact discs of rocky and dusty material at distances comparable to that from the Earth to the Sun. |
| Fragile X syndrome gene's role in shaping brain uncovered Posted: 09 May 2010 08:00 AM PDT Researchers have discovered how the genetic mutation that causes Fragile X syndrome, the most common form of inherited mental retardation, interferes with the "pruning" of nerve connections in the brain. |
| Biologists discover an extra layer of protection for bacterial spores Posted: 09 May 2010 08:00 AM PDT Bacterial spores, the most resistant organisms on earth, carry an extra coating of protection previously undetected, a team of microbiologists reports. Their findings offer additional insight into why spores of the bacteria that cause botulism, tetanus, and anthrax survive methods to eradicate them. |
| Simple gene test identifies clinically important subtypes of breast cancer Posted: 09 May 2010 08:00 AM PDT A simple genetic test that uses just three genes is among the most effective means of classifying breast cancer into subtypes. |
| Algae advances as a 'green' alternative for improving water quality Posted: 09 May 2010 08:00 AM PDT Algae -- already being eyed for biofuel production -- could be put to use right away to remove nitrogen and phosphorus in livestock manure runoff, according to an agricultural scientist. |
| Hardship and human rights violations continue among Burma cyclone survivors Posted: 09 May 2010 08:00 AM PDT The survivors of Cyclone Nargis, which struck Burma (also known as Myanmar) in May 2008, continue to face challenges in rebuilding their lives, in lack of access to relief and reconstruction efforts, and in violations of basic rights more than one year after the storm, according to a study. |
| Posted: 09 May 2010 02:00 AM PDT After birth, the brain loses many nerve cells and this continues throughout life -- most neurons are formed before birth, after which many excess neurons degenerate. However, there are some cells that are still capable of division in old age -- in the brains of mice, at least. |
| Mild-mannered metabolic helper rushes to fight invading viruses, researchers report Posted: 09 May 2010 02:00 AM PDT Within cells, an ancient antiviral duo can deliver a one-two knockout to thwart invading viruses, report researchers who have just unmasked the cellular sidekick that throws the first punch. The findings mean scientists must rethink the design of antiviral immunity and how the body fends off viruses of all types, including influenza and HIV. |
| New Martian views from orbiting camera show landscape diversity Posted: 09 May 2010 02:00 AM PDT New images from more than 750 recent observations of Mars by an orbiting telescopic camera testify to the diversity of landscapes there. |
| Pluripotent and differentiated human cells reside in decidedly different epigenomic landscapes Posted: 09 May 2010 02:00 AM PDT Human embryonic stem cells possess remarkable properties of self-renewal and pluripotency, the ability to become almost any kind of cell within the body. And yet they share the same genome or set of genes with lineage-committed cells, cells fated to be or do one thing. |
| World record in current intensity achieved with distribution cables Posted: 09 May 2010 02:00 AM PDT Researchers in Spain have developed the most advanced and powerful conductivity cable in the world. This prototype measures 30 metres and was made using superconducting material. The new cable surpasses the record in current intensity (3200 Ampers RMS) and can transport an electrical charge five times greater than a conventional copper cable of the same dimensions, thus reducing energy loss by half. |
| Drivers who delay license reinstatement after suspension are often high risk Posted: 09 May 2010 02:00 AM PDT Driver's license suspension is often used for individuals convicted of driving under the influence. A new study has found that many suspended drivers do not reinstate, continue to drive uninsured, and create danger on the roads for others. Results support license reinstatement with continued controls, such as interlocks as a condition of reinstatement. |
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