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News tagged with effect

Global extinction: Gradual doom is just as bad as abrupt

A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed ...

Space & Earth / Earth Sciences

created Feb 03, 2012 | popularity 4.2 / 5 (20) | comments 0 | with audio podcast

Study supports role of quantum effects in photosynthesis

(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...

Physics / General Physics

created Jan 25, 2012 | popularity 4.9 / 5 (13) | comments 7 | with audio podcast feature

ALMA reveals workings of nearby planetary system

A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system that can provide valuable clues about how such systems form and evolve. The ...

Space & Earth / Astronomy

created Apr 12, 2012 | popularity 5 / 5 (12) | comments 2 | with audio podcast

ENASA satellite finds Earth's clouds are getting lower

(PhysOrg.com) -- Earth's clouds got a little lower -- about one percent on average -- during the first decade of this century, finds a new NASA-funded university study based on NASA satellite data. The results ...

Space & Earth / Earth Sciences

created Feb 22, 2012 | popularity 5 / 5 (11) | comments 93 | with audio podcast

Castaway lizards provide insight into elusive evolutionary process

A University of Rhode Island biologist who released lizards on tiny uninhabited islands in the Bahamas has shed light on the interaction between evolutionary processes that are seldom observed.

Biology / Plants & Animals

created Feb 02, 2012 | popularity 4.1 / 5 (13) | comments 0 | with audio podcast

Rational design can improve hydrogen fuel cell efficiency

(PhysOrg.com) -- Hydrogen fuel cells, in which the chemical energy of hydrogen is converted into electricity, offer the potential for a wide variety of applications, especially in transportation and power ...

Chemistry / Materials Science

created Feb 29, 2012 | popularity 4.4 / 5 (12) | comments 0 | with audio podcast feature

Why Europe's climate faces a stormy future

(PhysOrg.com) -- Europe is likely to be hit by more violent winter storms in the future. Now a new study into the effects of climate change has found out why.

Space & Earth / Earth Sciences

created Apr 03, 2012 | popularity 4 / 5 (12) | comments 19 | with audio podcast

World's oceans get an acid bath

Among the repercussions of global climate change, the effect of ocean acidification on marine life is one of the least-understood variables.

Space & Earth / Environment

created Feb 22, 2012 | popularity 4.3 / 5 (11) | comments 7 | with audio podcast

Astronomers map dark matter distribution in 3D in Abell 383 galaxy cluster

(PhysOrg.com) -- Two teams of astronomers have used data from NASA's Chandra X-ray Observatory and other telescopes to map the distribution of dark matter in a galaxy cluster known as Abell 383, which is located ...

Space & Earth / Astronomy

created Mar 14, 2012 | popularity 4.8 / 5 (9) | comments 33 | with audio podcast

Bright is the new black: New York roofs go cool

On the hottest day of the New York City summer in 2011, a white roof covering was measured at 42 degrees Fahrenheit cooler than the traditional black roof it was being compared to, according to a study including NASA scientists ...

Space & Earth / Environment

created Mar 07, 2012 | popularity 5 / 5 (8) | comments 7

Asteroid nudged by sunlight: Most precise measurement of Yarkovsky effect

Scientists on NASA's asteroid sample return mission, Origins, Spectral Interpretation, Resource Identification, Security, Regolith Explorer (OSIRIS-REx), have measured the orbit of their destination asteroid, ...

Space & Earth / Space Exploration

created May 24, 2012 | popularity 4.9 / 5 (8) | comments 1 | with audio podcast

Arctic Ocean could be source of greenhouse gas: study

(Phys.org) -- The fragile and rapidly changing Arctic region is home to large reservoirs of methane, a potent greenhouse gas. As Earth's climate warms, the methane, frozen in reservoirs stored in Arctic tundra ...

Space & Earth / Earth Sciences

created Apr 22, 2012 | popularity 4 / 5 (9) | comments 39 | with audio podcast

Light control technique could lead to tunable lighting and displays

(PhysOrg.com) -- Over the past several years, organic light-emitting diodes (OLEDs) have become a popular light source due to their advantages including bright displays, wide viewing angles, and the ability ...

Physics / General Physics

created Jan 11, 2012 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast feature

More energy efficient transistors through quantum tunneling

(PhysOrg.com) -- Researchers at the University of Notre Dame and Pennsylvania State University have announced breakthroughs in the development of tunneling field effect transistors (TFETs), a semiconductor ...

Nanotechnology / Nanophysics

created Mar 26, 2012 | popularity 4.6 / 5 (7) | comments 3 | with audio podcast

New hybrid 'NOSH aspirin' as possible anti-cancer drug

Scientists have combined two new "designer" forms of aspirin into a hybrid substance that appears more effective than either of its forebears in controlling the growth of several forms of cancer in laboratory ...

Chemistry / Biochemistry

created Feb 29, 2012 | popularity 4.4 / 5 (7) | comments 0