Woolly Mammoths

Scientists say comet killed off mammoths, saber-toothed tigers

Space & Earth / Earth Sciences

created Jan 02, 2009 | popularity 4.6 / 5 (23) | comments 19

First an explosion as powerful as thousands of megatons of TNT rained meteorites down on North America. Then forest fires broke out across the continent, sending up a thick layer of soot and dust that blocked ...


Physicists are first to 'squeeze' light to quantum limit

Physicists are first to 'squeeze' light to quantum limit

Physics / General Physics

created Jan 02, 2009 | popularity 4.9 / 5 (20) | comments 2

(PhysOrg.com) -- A team of University of Toronto physicists have demonstrated a new technique to squeeze light to the fundamental quantum limit, a finding that has potential applications for high-precision ...


Scientists Extend the Lifetime of Quantum Memory

Physics / General Physics

created Jan 02, 2009 | popularity 4.8 / 5 (13) | comments 12

(PhysOrg.com) -- Storing and sending information using quantum phenomena is one of the hottest areas of research today; scientists across the globe are investigating how to make quantum communication possible for real-life ...


Reality gets hyperlinked

Reality gets hyperlinked

Technology / Engineering

created Jan 02, 2009 | popularity 4 / 5 (12) | comments 3

(PhysOrg.com) -- European researchers can now attach hyperlinks to pictures you take using your mobile phone. It offers the prospect of new ways to discover, engage and navigate your surroundings. You wake ...


New study shows governments need more honest environmental accounting

Space & Earth / Environment

created Jan 02, 2009 | popularity 3.5 / 5 (11) | comments 12

(PhysOrg.com) -- University of Queensland research is paving the way for better management of our precious natural environment.


Using light to move and trap DNA molecules

Using light to move and trap DNA molecules

Nanotechnology / Bio & Medicine

created Jan 02, 2009 | popularity 5 / 5 (7) | comments 3

(PhysOrg.com) -- A major goal of nanotechnology research is to create a "lab on a chip," in which a tiny biological sample would be carried through microscopic channels for processing. This could make possible ...


Life without plastic

Space & Earth / Environment

created Jan 02, 2009 | popularity 2.3 / 5 (11) | comments 10

Amid a recent flurry of worrisome reports about plastic, a simple question came up: Could we live without it? Could my typical family - a mom, a dad, a 3-year-old girl and a 7-month-old boy - put aside the very material of ...


Pacific Northern Right Whale

High numbers of right whales seen in Gulf of Maine

Biology /

created Jan 02, 2009 | popularity 4.8 / 5 (4) | comments 0

A large number of North Atlantic right whales have been seen in the Gulf of Maine in recent days, leading right whale researchers at NOAA's Northeast Fisheries Science Center (NEFSC) to believe they have identified ...


Toxicity mechanism identified for Parkinson's disease

Medicine & Health / Research

created Jan 02, 2009 | popularity 4.5 / 5 (4) | comments 0

Neurologists have observed for decades that Lewy bodies, clumps of aggregated proteins inside cells, appear in the brains of patients with Parkinson's disease and other neurodegenerative diseases.


Phthalate ban in children's products now in force in California

Medicine & Health / Health

created Jan 02, 2009 | popularity 5 / 5 (2) | comments 0

Despite recent saber-rattling between state and federal officials, anew California law took effect Thursday that effectively bans the sale of toys and other children's products containing phthalates.


CU-Boulder Clickers

Researchers Show Why Peer Discussion Improves Student Performance on 'Clicker' Questions

Other Sciences / Other

created Jan 02, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Across the University of Colorado at Boulder campus students are sharing answers, checking their responses to questions against those of their neighbors and making adjustments to those answers ...


Expectant brains help predict anxiety treatment success

Medicine & Health / Diseases

created Jan 02, 2009 | popularity 4.5 / 5 (2) | comments 0

A network of emotion-regulating brain regions implicated in the pathological worry that can grip patients with anxiety disorders may also be useful for predicting the benefits of treatment.


Gene by gene, scientists dig for the triggers

Medicine & Health / Research

created Jan 02, 2009 | popularity 4 / 5 (2) | comments 0

James Thomson knew that to send a cell back to its past was no trivial matter. Like generations of biologists, the University of Wisconsin-Madison stem cell pioneer had been taught that development was a one-way street; it ...


Aquaculture's growth seen as continuing

Biology /

created Jan 02, 2009 | popularity 4 / 5 (2) | comments 0

Aquaculture production of seafood will probably remain the most rapidly increasing food production system worldwide through 2025, according to an assessment published in the January 2009 issue of BioScience. The assessment, by Jam ...


A Better View for Surgeons During Minimally Invasive Surgeries

A Better View for Surgeons During Minimally Invasive Surgeries

Medicine & Health / Other

created Jan 02, 2009 | popularity 5 / 5 (1) | comments 1

A multidisciplinary team of researchers at the UC San Diego division of the California Institute for Telecommunications and Information Technology (Calit2) is nearing completion of their first prototype of ...




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