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Wednesday, December 31, 2014

ScienceDaily: Most Popular News

ScienceDaily: Most Popular News

High-fat diet, obesity during pregnancy harms stem cells in developing fetus

Posted: 24 Dec 2014 07:31 AM PST

Physician-scientists reveal a high-fat diet and obesity during pregnancy compromise the blood-forming, or hematopoietic, stem cell system in the fetal liver responsible for creating and sustaining lifelong blood and immune system function.

First scientific report shows police body-cameras can prevent unacceptable use-of-force

Posted: 24 Dec 2014 07:31 AM PST

As Obama pledges investment in body-worn-camera technology for police officers, researchers say cameras induce 'self-awareness' that can prevent unacceptable uses-of-force seen to have tragic consequences in the US over the past year -- from New York to Ferguson -- but warn that cameras have implications for prosecution and data storage.

Scrapie could breach the species barrier

Posted: 24 Dec 2014 07:30 AM PST

The pathogens responsible for scrapie in small ruminants (prions) have the potential to convert the human prion protein from a healthy state to a pathological state, researchers have discovered for the first time. In mice models reproducing the human species barrier, this prion induces a disease similar to Creutzfeldt-Jakob disease. These primary results stress the necessity to reassess the transmission of this disease to humans.   

Way to control internal clocks discovered

Posted: 23 Dec 2014 09:22 AM PST

Researchers hypothesize that targeting components of the mammalian clock with small molecules like REV-ERB drugs may lead to new treatments for sleep disorders and anxiety disorders. It also is possible that REV-ERB drugs may be leveraged to help in the treatment of addiction.

Newly discovered assassin bug was incognito, but now it's incognita

Posted: 23 Dec 2014 05:39 AM PST

A North American assassin bug that has remained hidden for over 100 years has been determined to be a new species. The new bug, Sinea incognita, is described in a new article.

Gecko grippers get a microgravity test flight

Posted: 22 Dec 2014 05:54 PM PST

There are no garbage trucks equipped to leave the atmosphere and pick up debris floating around Earth. But what if we could send a robot to do the job? Scientists at NASA's Jet Propulsion Laboratory in Pasadena, California, are working on adhesive gripping tools that could grapple objects such as orbital debris or defunct satellites that would otherwise be hard to handle.

Psychologist Produces The First-ever 'World Map Of Happiness'

Posted: 13 Nov 2006 06:37 AM PST

Adrian White, analytic social psychologist at the University of Leicester produces first-ever global projection of international differences in subjective well-being -- the 'world map of happiness.'

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