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Friday, October 24, 2014

ScienceDaily: Top Science News

ScienceDaily: Top Science News

Without swift influx of substantial aid, Ebola epidemic in Africa poised to explode

Posted: 23 Oct 2014 04:35 PM PDT

The Ebola virus disease epidemic already devastating swaths of West Africa will likely get far worse in the coming weeks and months unless international commitments are significantly and immediately increased, new research predicts.

3-D map of the adolescent universe

Posted: 23 Oct 2014 12:41 PM PDT

Using extremely faint light from galaxies 10.8-billion light years away, scientists have created one of the most complete, three-dimensional maps of a slice of the adolescent universe. The map shows a web of hydrogen gas that varies from low to high density at a time when the universe was made of a fraction of the dark matter we see.

Florida lizards evolve rapidly, within 15 years and 20 generations

Posted: 23 Oct 2014 11:23 AM PDT

Scientists working on islands in Florida have documented the rapid evolution of a native lizard species -- in as little as 15 years -- as a result of pressure from an invading lizard species, introduced from Cuba.

Highest altitude archaeological sites in the world explored in the Peruvian Andes: Survival in extreme environments

Posted: 23 Oct 2014 11:23 AM PDT

Research conducted at the highest-altitude Pleistocene archaeological sites yet identified in the world sheds new light on the capacity of humans to survive in extreme environments. The findings were taken from sites in the Pucuncho Basin, located in the Southern Peruvian Andes.

Genomic data support early contact between Easter Island and Americas

Posted: 23 Oct 2014 10:16 AM PDT

People may have been making their way from Easter Island to the Americas well before Dutch commander Jakob Roggeveen arrived in 1722, according to new genomic evidence showing that the Rapanui people living on that most isolated of islands had significant contact with Native American populations hundreds of years earlier. The findings lend the first genetic support for such an early trans-Pacific route between Polynesia and the Americas, a trek of more than 4,000 kilometers.

Reminiscing can help boost mental performance

Posted: 23 Oct 2014 08:10 AM PDT

Engaging brain areas linked to so-called 'off-task' mental activities (such as mind-wandering and reminiscing) can actually boost performance on some challenging mental tasks, a new research led by a neuroscientist shows for the first.

Precise, programmable biological circuits

Posted: 23 Oct 2014 07:07 AM PDT

Several new components for biological circuits have been developed by researchers. These components are key building blocks for constructing precisely functioning and programmable bio-computers. "The ability to combine biological components at will in a modular, plug-and-play fashion means that we now approach the stage when the concept of programming as we know it from software engineering can be applied to biological computers. Bio-engineers will literally be able to program in future."

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