ScienceDaily: Top Science News |
- High exposure to food-borne toxins: Preschool children particularly vulnerable to compounds linked to cancer, other conditions
- Warming temperatures will change Greenland's face, experts predict
- Injectable sponge delivers drugs, cells, and structure
- Even low-level radioactivity is damaging, scientists conclude
- Computer memory could increase fivefold from advances in self-assembling polymers
- Human eye gives researchers visionary design for new, more natural lens technology
- Supersymmetry squeezed as Large Hadron Collider spots ultra rare particle decay
- Solving the mystery of aging: Longevity gene makes Hydra immortal and humans grow older
- Hormone combination effective and safe for treating obesity in mice
- Men and women battle for ideal height: Evidence of an intralocus sexual conflict currently raging in human DNA
| Posted: 13 Nov 2012 10:49 AM PST In a sobering study, researchers measured food-borne toxin exposure in children and adults by pinpointing foods with high levels of toxic compounds and determining how much of these foods were consumed. |
| Warming temperatures will change Greenland's face, experts predict Posted: 13 Nov 2012 10:48 AM PST Global climate models abound. What is harder to pin down, is how a warmer global temperature might affect any specific region on Earth. Researchers have now made the global local. Using a combination of climate models, they predict how different greenhouse gas scenarios would change the face of Greenland and impact sea level rise. |
| Injectable sponge delivers drugs, cells, and structure Posted: 13 Nov 2012 10:43 AM PST Bioengineers have developed a gel-based sponge that can be molded to any shape, loaded with drugs or stem cells, compressed to a fraction of its size, and delivered via injection. Once inside the body, it pops back to its original shape and gradually releases its cargo, before safely degrading. |
| Even low-level radioactivity is damaging, scientists conclude Posted: 13 Nov 2012 10:42 AM PST Even the very lowest levels of radiation are harmful to life, scientists have concluded, reporting the results of a wide-ranging analysis of 46 peer-reviewed studies published over the past 40 years. Variation in low-level, natural background radiation was found to have small, but highly statistically significant, negative effects on DNA as well as several measures of health. |
| Computer memory could increase fivefold from advances in self-assembling polymers Posted: 13 Nov 2012 09:22 AM PST The researchers' technique, which relies on a process known as directed-self assembly, is being given a real-world test run in collaboration with one of the world's leading innovators in disk drives. |
| Human eye gives researchers visionary design for new, more natural lens technology Posted: 13 Nov 2012 09:20 AM PST Drawing heavily upon nature for inspiration, researchers have created a new artificial lens that is nearly identical to the natural lens of the human eye. This innovative lens, which is made up of thousands of nanoscale polymer layers, may one day provide a more natural performance in implantable lenses to replace damaged or diseased human eye lenses, as well as consumer vision products; it also may lead to superior ground and aerial surveillance technology. |
| Supersymmetry squeezed as Large Hadron Collider spots ultra rare particle decay Posted: 13 Nov 2012 06:50 AM PST Scientists at the Large Hadron Collider (LHC) at CERN, near Geneva, have spotted one of the rarest particle decays ever seen in nature. The result is very damaging to new theories like the extremely popular Supersymmetry. |
| Solving the mystery of aging: Longevity gene makes Hydra immortal and humans grow older Posted: 13 Nov 2012 06:19 AM PST Why do we get older? When do we die and why? Is there a life without aging? For centuries, science has been fascinated by these questions. Now researchers have examined why the polyp Hydra is immortal -- and unexpectedly discovered a link to aging in humans. |
| Hormone combination effective and safe for treating obesity in mice Posted: 13 Nov 2012 06:19 AM PST Scientists have found a way to link two hormones into a single molecule, producing a more effective therapy with fewer side effects for potential use as treatment for obesity and related medical conditions. |
| Posted: 13 Nov 2012 05:35 AM PST A battle about the ideal height would appear to be raging in men's and women's genes. A researcher in Sweden has shown that this conflict is leading to a difference in reproductive success between men and women of varying height. |
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