- Astronomers find a new type of planet: The 'mega-Earth'
- Subtle change in DNA, protein levels determines blond or brunette tresses, study finds
- Quality, not quantity, counts most in exercise, diet
- Atomic structure of essential circadian clock protein complex determined
- Green tea could reduce pancreatic cancer risk: Study explains how
- Hoosier cavefish: New species from caves of southern Indiana has an anus right behind its head
- NASA-funded rocket to study birthplace of stars
- Google Glass adaptation opens the universe to deaf students
- Africa's longest known terrestrial wildlife migration discovered
Posted: 02 Jun 2014 08:58 AM PDT
Astronomers have discovered a new type of planet -- a rocky world weighing 17 times as much as Earth. Theorists believed such a world couldn't form because anything so hefty would grab hydrogen gas as it grew and become a Jupiter-like gas giant. This planet, though, is all solids and much bigger than previously discovered 'super-Earths,' making it a 'mega-Earth.'
Posted: 01 Jun 2014 12:09 PM PDT
A molecule critical to stem cell function plays a major role in determining human hair color, according to a new study. The study describes for the first time the molecular basis for one of our most noticeable traits. It also outlines how tiny DNA changes can reverberate through our genome in ways that may affect evolution, migration and even human history.
Posted: 30 May 2014 12:41 PM PDT
The clear benefits of a multi-dimensional exercise regimen that includes resistance exercise, interval sprint exercise, stretching (including yoga or pilates), endurance exercise, and moderate amounts of protein consumed regularly throughout the day have been demonstrated and reported by exercise scientists. If your goal is to lose weight and maintain optimal health and fitness, the quality of your exercise and diet regimen matters more than the quantity, they say.
Posted: 30 May 2014 10:33 AM PDT
For the first time, the molecular structure of a protein complex that plays an important role in regulating the circadian rhythm has been identified by a team of researchers. "Our circadian clock controls many important physiological functions," explained one resesarcher. If the natural rhythm is disrupted, as for example in the case of people on shift work, the likelihood of developing metabolic disorders, diabetes, or cancer is significantly increased.
Posted: 30 May 2014 10:32 AM PDT
A new study explains how green tea changed the metabolism of pancreatic cancer cells, opening a new area in cancer-fighting research. Green tea and its extracts have been widely touted as potential treatments for cancer, as well as several other diseases. But scientists have struggled to explain how the green tea and its extracts may work to reduce the risk of cancer or to slow the growth of cancer cells.
Posted: 29 May 2014 08:20 AM PDT
A new eyeless cavefish is described from Indiana and named after the Indiana Hoosiers. It is the first new cavefish species described from the US in 40 years. Notably, it has an anus right behind its head, and the females brood their young in their gill chamber.
Posted: 27 May 2014 12:17 PM PDT
In deep space, floating between the stars, lies an abundance of atoms -- carbon, oxygen, hydrogen -- that over millions of years will grow into new stars and new planets. NASA successfully launched the Colorado High-resolution Echelle Stellar Spectrograph, or CHESS, payload aboard a Black Brant IX suborbital sounding rocket on May 24, 2014, for a 15-minute flight to observe this star nursery more comprehensively and in better detail than has been done by a single instrument ever before.
Posted: 27 May 2014 09:41 AM PDT
A group of deaf university students and their professor developed a system to display video narrating planetarium shows onto glasses worn by deaf students.
Posted: 27 May 2014 07:06 AM PDT
Researchers have documented the longest-known terrestrial migration of wildlife in Africa -- up to several thousand zebra covering a distance of 500 kilometers. Using GPS collars on eight adult Plains zebra, scientists tracked two consecutive years of movement back and forth between the Chobe River in Namibia and Botswana's Nxai Pan National Park.
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