ScienceDaily: Top Science News |
- Closer to a cure? Chemists synthesize compound that flushes out latent HIV
- New evidence links immune irregularities to autism, mouse study suggests
- Why is Earth so dry? Planet formed from rocky debris in hotter region, inside of solar system's 'snow line'
- Musical glove improves sensation, mobility for people with spinal cord injury
- In visual searches, computer is no match for the human brain
- Infants' recognition of speech more sophisticated than previously known
- Glacier break creates ice island twice size of Manhattan
- World record: Lightest material in the world produced
- Reconstructing the diet of African hominid Australopithecus anamensis
- How muscles are paralyzed during sleep: Finding may suggest new treatments for sleep disorders
| Closer to a cure? Chemists synthesize compound that flushes out latent HIV Posted: 17 Jul 2012 11:12 AM PDT A new collection of compounds, called "bryologs" -- derived from a tiny marine organism -- activate hidden reservoirs of the virus that currently make the disease nearly impossible to eradicate.  |
| New evidence links immune irregularities to autism, mouse study suggests Posted: 17 Jul 2012 11:10 AM PDT A new study suggests that specific changes in an overactive immune system can contribute to autism-like behaviors in mice, and that in some cases, this activation can be related to what a developing fetus experiences in the womb.  |
| Posted: 17 Jul 2012 10:12 AM PDT A new analysis of the common accretion-disk model explaining how planets form in a debris disk around our Sun uncovered a possible reason for Earth's comparative dryness. The study found that our planet formed from rocky debris in a dry, hotter region, inside of the so-called "snow line." The snow line in our solar system currently lies in the middle of the asteroid belt, a reservoir of rubble between Mars and Jupiter; beyond this point, the Sun's light is too weak to melt the icy debris left over from the protoplanetary disk. Previous accretion-disk models suggested that the snow line was much closer to the Sun 4.5 billion years ago, when Earth formed.  |
| Musical glove improves sensation, mobility for people with spinal cord injury Posted: 17 Jul 2012 08:17 AM PDT Researchers have created a wireless, musical glove that may improve sensation and motor skills for people with paralyzing spinal cord injury.  |
| In visual searches, computer is no match for the human brain Posted: 17 Jul 2012 07:03 AM PDT You're headed out the door and you realize you don't have your car keys. After a few minutes of rifling through pockets, checking the seat cushions and scanning the coffee table, you find the familiar key ring and off you go. Easy enough, right? What you might not know is that the task that took you a couple seconds to complete is a task that computers -- despite decades of advancement and intricate calculations -- still can't perform as efficiently as humans: the visual search.  |
| Infants' recognition of speech more sophisticated than previously known Posted: 17 Jul 2012 07:00 AM PDT The ability of infants to recognize speech is more sophisticated than previously known, researchers have found. Their study showed that infants, as early as nine months old, could make distinctions between speech and non-speech sounds in both humans and animals.  |
| Glacier break creates ice island twice size of Manhattan Posted: 17 Jul 2012 07:00 AM PDT An ice island twice the size of Manhattan has broken off from Greenland's Petermann Glacier, according to researchers. This marks the second massive break in two years.  |
| World record: Lightest material in the world produced Posted: 17 Jul 2012 05:48 AM PDT A network of porous carbon tubes that is three-dimensionally interwoven at nano and micro level – this is the lightest material in the world. It weights only 0.2 milligrams per cubic centimeter, and is therefore 75 times lighter than Styrofoam, but it is very strong nevertheless.  |
| Reconstructing the diet of African hominid Australopithecus anamensis Posted: 17 Jul 2012 05:48 AM PDT The diet of Australopithecus anamensis, a hominid that lived in the east of the African continent more than 4 million years ago, was very specialized and, according to a new study, it included foods typical of open environments (seeds, sedges, grasses, etc.), as well as fruits and tubers.  |
| How muscles are paralyzed during sleep: Finding may suggest new treatments for sleep disorders Posted: 11 Jul 2012 10:10 AM PDT Two powerful brain chemical systems work together to paralyze skeletal muscles during rapid eye movement (REM) sleep, according to new research. The finding may help scientists better understand and treat sleep disorders, including narcolepsy, tooth grinding, and REM sleep behavior disorder.  |
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