Friday, October 24, 2014

 

Powerful New Microscope Will Transform the Way we See Biology

Just weeks after winning a Nobel Prize for his work in microscopy, Eric Betzig has done it again. He and his colleagues have developed a revolutionary new microscopy technique that allows scientists to observe living cellular processes at unprecedented speed and resolution.
-io9

Stone Tools Reveal Ancient Settlement Very High in Andes

The air was thin, the nights were cold, the sun could easily burn the skin. But about 12,000 years ago, small groups of hunter-gatherers found a home very high up in the Peruvian Andes.
- Seattle Times

The Military Takes on Climate Change Deniers

The idea that climate change poses serious risks to U.S. national security, long contested in conservative circles, is now an integral part of Pentagon planning. This year's release of the Pentagon’s Climate Change Adaptation Roadmap, a 16-page document that lays out the effects of extreme weather events and rising temperatures on military training, operations, acquisitions, and infrastructure cast climate change as a reality that must be dealt with quickly. 
- Businessweek

 

Thursday October 23, 2014

A New Window Opens on the Early Universe

A tiny galaxy lying just beyond the edge of the Milky Way has failed to evolve normally over the last several billion years, say astronomers, and it represents a sample of the universe as it was in its infancy, around 13 billion years ago.
- National Geographic

The Void Is a Busy Place

Is there such a thing as complete emptiness or nothingness? Not according to modern physics, where empty space gets more active all the time.
- 13.7, Cosmos & Culture

Music Therapy for Depression

Researchers identify an efficient, cost-effective way to treat depression in children and teens
- Medical Daily


Wednesday October 22, 2014
 

Thoroughly Modern Humans Interbred With Neanderthals

The oldest DNA of a modern human ever to be sequenced shows that the Homo sapiens who interbred with the Neanderthals were very modern – not just anatomically but with modern behaviour including painting, modern tools, music and jewellery.
- New Scientist

Cosmic Rays Threaten Future Deep-Space Astronaut Missions

Crewed missions to Mars remain an essential goal for NASA, but scientists are only now beginning to understand and characterize the radiation hazards that could make such ventures risky, concludes a new paper by University of New Hampshire scientists.
- Space Daily

Mental Rest and Reflection Aid Learning

A new study suggests learning may be improved by the use of strategies that “prime” the brain to learn new content and allow time for the brain to rest and reflect.
- PsychCentral.com

Archaeologists Find 6,000-Year-Old Temple in Ukraine

The remains of the two-story temple also contain fragments of humanlike figurines and animal bones.
- The Christian Science Monitor


Tuesday October 21, 2014
 

The Government Wants to Study ‘Social Pollution’ on Twitter

An NSF-funded project aims to detect what it deems “social pollution” and to study what it calls “social epidemics,” including how memes — ideas that spread throughout pop culture — propagate. What types of social pollution is being targeted? “Political smears,” so-called “astroturfing” and other forms of “misinformation.”
- The Washington Post

Big Black Holes Can Block New Stars

Massive black holes spewing out radio-frequency-emitting particles at near-light speed can block formation of new stars in aging galaxies, a study has found.
- Johns Hopkins University

The Optimism of Depressed People

A paper in Clinical Psychological Science says that middle-aged adults who had a history of depression evaluated their past and current lives in more negative terms than adults without depression - but the future was just as rosy in both groups.
- Science 2.0


Monday October 20, 2014

 

Does Forgiveness Have a Dark Side?

Some research suggests that encouraging members of disadvantaged groups to forgive groups that have discriminated against and harmed them may reduce their motivation to address social inequality.
- Psych Your Mind

Scientists Discover the Awkward Origins of Sex

The planet’s first act of sex 385 million years ago, as documented in fresh research published in Nature, wasn’t a gentle affair.
- The Washington Post

Earth's Magnetic Field Could Flip Within a Human Lifetime

Imagine the world waking up one morning to discover that all compasses pointed south instead of north. A new study demonstrates that the last magnetic reversal 786,000 years ago actually happened very quickly, in less than 100 years.
- Phys.Org