ScienceDaily: Most Popular News |
- Universe may face a darker future: Is dark matter swallowing up dark energy?
- Oceans arrived early to Earth; Primitive meteorites were a likely source of water, study finds
- Genetic factors behind surviving or dying from Ebola shown in mouse study
- Planet discovered that won't stick to a schedule
- Why scratching makes you itch more
- Emergent behavior lets bubbles 'sense' environment
- Toxin-secreting stem cells treat brain tumors, in mice
| Universe may face a darker future: Is dark matter swallowing up dark energy? Posted: 31 Oct 2014 05:20 AM PDT New research offers a novel insight into the nature of dark matter and dark energy and what the future of our Universe might be. Scientists have found hints that dark matter, the cosmic scaffolding on which our Universe is built, is being slowly erased, swallowed up by dark energy. |
| Oceans arrived early to Earth; Primitive meteorites were a likely source of water, study finds Posted: 30 Oct 2014 11:22 AM PDT Earth is known as the Blue Planet because of its oceans, which cover more than 70 percent of the planet's surface and are home to the world's greatest diversity of life. While water is essential for life on the planet, the answers to two key questions have eluded us: Where did Earth's water come from and when? While some hypothesize that water came late to Earth, well after the planet had formed, findings from a new study significantly move back the clock for the first evidence of water on Earth and in the inner solar system. |
| Genetic factors behind surviving or dying from Ebola shown in mouse study Posted: 30 Oct 2014 11:22 AM PDT A newly developed mouse model suggests that genetic factors are behind the mild-to-deadly range of responses to the Ebola virus. The frequency of different manifestations of the disease across the lines of these mice are similar in variety and proportion to the spectrum of clinical disease observed in the 2014 West African outbreak. The new mouse model might be useful in testing candidate therapeutics and vaccines for Ebola, and in finding genetic markers for susceptibility and resistance to the disease. |
| Planet discovered that won't stick to a schedule Posted: 30 Oct 2014 10:33 AM PDT For their latest discovery, astronomers have found a low-mass, low-density planet with a punctuality problem. The new planet, called PH3c, is located 2,300 light years from Earth and has an atmosphere loaded with hydrogen and helium. Its inconsistency kept it from being picked up by automated computer algorithms that search stellar light curves and identify regular dips caused by objects passing in front of stars. |
| Why scratching makes you itch more Posted: 30 Oct 2014 10:29 AM PDT Turns out your mom was right: scratching an itch only makes it worse. New research reveals that scratching causes the brain to release serotonin, which intensifies the itch sensation. Scientists uncovered serotonin's role in controlling pain decades ago, but this is the first time the release of the chemical messenger from the brain has been linked to itch, they say. |
| Emergent behavior lets bubbles 'sense' environment Posted: 27 Oct 2014 07:05 AM PDT Tiny, soapy bubbles can reorganize their membranes to let material flow in and out in response to the surrounding environment, according to researchers. This behavior could be exploited in creating microbubbles that deliver drugs or other payloads inside the body -- and could help us understand how the very first living cells on Earth might have survived billions of years ago. |
| Toxin-secreting stem cells treat brain tumors, in mice Posted: 24 Oct 2014 09:46 AM PDT A new way to use stem cells in the fight against brain cancer has been devised by researchers. A team led by a neuroscientist who recently demonstrated the value of stem cells loaded with cancer-killing herpes viruses now has a way to genetically engineer stem cells so that they can produce and secrete tumor-killing toxins. |
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