ScienceDaily: Top Science News |
- Quantum physics enables revolutionary imaging method
- Paleontology: Oldest representative of a weird arthropod group
- From nose to knee: Engineered cartilage regenerates joints
- Inside the teenage brain: New studies explain risky behavior
- Nanodiamonds are forever: Did comet collision leave layer of nanodiamonds across Earth?
- Yellowstone supereruption would send ash across North America
- Breakthrough antibacterial approach could resolve serious skin infections
| Quantum physics enables revolutionary imaging method Posted: 28 Aug 2014 08:08 AM PDT Researchers have developed a fundamentally new quantum imaging technique with strikingly counter-intuitive features. For the first time, an image has been obtained without ever detecting the light that was used to illuminate the imaged object, while the light revealing the image never touches the imaged object. |
| Paleontology: Oldest representative of a weird arthropod group Posted: 28 Aug 2014 06:14 AM PDT Biologists have assigned a number of 435-million-year-old fossils to a new genus of predatory arthropods. These animals lived in shallow marine habitats and were far less eye-catching than related forms found in Jurassic strata. |
| From nose to knee: Engineered cartilage regenerates joints Posted: 28 Aug 2014 06:02 AM PDT Human articular cartilage defects can be treated with nasal septum cells. Researchers now report that cells taken from the nasal septum are able to adapt to the environment of the knee joint and can thus repair articular cartilage defects. The nasal cartilage cells' ability to self-renew and adapt to the joint environment is associated with the expression of so-called HOX genes. |
| Inside the teenage brain: New studies explain risky behavior Posted: 27 Aug 2014 05:35 PM PDT It's common knowledge that teenage boys seem predisposed to risky behaviors. Now, a series of new studies is shedding light on specific brain mechanisms that help to explain what might be going on inside juvenile male brains. |
| Nanodiamonds are forever: Did comet collision leave layer of nanodiamonds across Earth? Posted: 27 Aug 2014 01:34 PM PDT A comet collision with Earth caused abrupt environmental stress and degradation that contributed to the extinction of most large animal species then inhabiting the Americas, a group of scientists suggests. The catastrophic impact and the subsequent climate change also led to the disappearance of the prehistoric Clovis culture, and to human population decline. Now focus has turned to the character and distribution of nanodiamonds, one type of material produced during such an extraterrestrial collision. The researchers found an abundance of these tiny diamonds distributed over 50 million square kilometers across the Northern Hemisphere. |
| Yellowstone supereruption would send ash across North America Posted: 27 Aug 2014 09:26 AM PDT In the unlikely event of a volcanic supereruption at Yellowstone National Park, the northern Rocky Mountains would be blanketed in meters of ash, and millimeters would be deposited as far away as New York City, Los Angeles and Miami, according to a new study. |
| Breakthrough antibacterial approach could resolve serious skin infections Posted: 26 Aug 2014 06:01 PM PDT In several cases, scientists found an ionic liquid was more efficacious on a pathogenic biofilm than a standard bleach treatment and exhibited minimal cytotoxicity effects on human cell lines (unlike bleach). This has excellent prospects for aiding antibiotic delivery to the pathogen through biofilm disruption. |
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