ScienceDaily: Most Popular News |
- Spooky alignment of quasars across billions of light-years
- Scientists prevent memory problems caused by sleep deprivation
- Shift in gut bacteria observed in fiber supplement study may offer good news for weight loss
- Mother's soothing presence makes pain go away, changes gene activity in infant brain
- Nothing fishy about health benefits of plant-based omega-3 fatty acid
- Why lizards have bird breath: Iguanas evolved one-way lungs surprisingly like those of birds
| Spooky alignment of quasars across billions of light-years Posted: 19 Nov 2014 05:45 AM PST New observations with ESO's Very Large Telescope (VLT) in Chile have revealed alignments over the largest structures ever discovered in the Universe. A European research team has found that the rotation axes of the central supermassive black holes in a sample of quasars are parallel to each other over distances of billions of light-years. The team has also found that the rotation axes of these quasars tend to be aligned with the vast structures in the cosmic web in which they reside. |
| Scientists prevent memory problems caused by sleep deprivation Posted: 18 Nov 2014 03:24 PM PST Scientists have found that a particular set of cells in a small region of the brain are responsible for memory problems after sleep loss. By selectively increasing levels of a signaling molecule in these cells, the researchers prevented mice from having memory deficits. |
| Shift in gut bacteria observed in fiber supplement study may offer good news for weight loss Posted: 18 Nov 2014 09:55 AM PST Most Americans don't get the daily recommended amount of fiber in their diet, though research has shown that dietary fiber can cause a shift in the gut toward beneficial bacteria, reducing the risk of colon cancer, type 2 diabetes, and other diseases. A new study shows that two specific functional fibers may also have the potential to assist in weight loss when made part of a long-term, daily diet. |
| Mother's soothing presence makes pain go away, changes gene activity in infant brain Posted: 18 Nov 2014 09:54 AM PST A mother's 'TLC' not only can help soothe pain in infants, but it may also impact early brain development by altering gene activity in a part of the brain involved in emotions, according to a new study. |
| Nothing fishy about health benefits of plant-based omega-3 fatty acid Posted: 17 Nov 2014 02:45 PM PST Increasing the amount of omega-3s in your diet, whether from fish or flax, will likely decrease your risk of getting heart disease, according to nutritionists. A substantial amount of evidence exists supporting the heart-health benefits of eicosapentaenoic acid and docosahexaenoic acid (EPA and DHA), marine-derived omega-3 fatty acids. However, much less evidence exists to demonstrate the positive effects of alpha-linolenic acid (ALA), a plant-based omega-3 fatty acid. |
| Why lizards have bird breath: Iguanas evolved one-way lungs surprisingly like those of birds Posted: 17 Nov 2014 12:46 PM PST Biologists long assumed that one-way air flow was a special adaptation in birds driven by the intense energy demands of flight. But now scientists have shown that bird-like breathing also developed in green iguanas – reptiles not known for high-capacity aerobic fitness. The finding bolsters the case that unidirectional bird-like flow evolved long before the first birds. |
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