News tagged with free
Less ice in the Arctic Ocean 6000-7000 years ago
Space & Earth / Earth Sciences
Oct 20, 2008 |
4.7 / 5 (46) |
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Recent mapping of a number of raised beach ridges on the north coast of Greenland suggests that the ice cover in the Arctic Ocean was greatly reduced some 6000-7000 years ago. The Arctic Ocean may have been periodically ice ...
Killer carbs -- Monash scientist finds the key to overeating as we age
Aug 21, 2008 |
4.2 / 5 (39) |
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A Monash University scientist has discovered key appetite control cells in the human brain degenerate over time, causing increased hunger and potentially weight-gain as we grow older.
Second Law of Thermodynamics May Explain Economic Evolution
Nov 02, 2009 |
4.3 / 5 (34) |
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(PhysOrg.com) -- Terms such as the "invisible hand," laissez-faire policy, and free-market principles suggest that economic growth and decline in capitalist societies seem to be somehow self-regulated. Now, ...
Newly detected air pollutant mimics damaging effects of cigarette smoke
Aug 17, 2008 |
4.4 / 5 (29) |
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A previously unrecognized group of air pollutants could have effects remarkably similar to harmful substances found in tobacco smoke, Louisiana scientists are reporting in a study scheduled for presentation ...
Salt Water System Could Generate Hydrogen
Mar 18, 2009 |
3.9 / 5 (31) |
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(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy ...
Probing Question: How do antioxidants work?
Aug 01, 2008 |
4.2 / 5 (27) |
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Blueberries, pomegranates, green tea and dark chocolate -- these are just some of the antioxidant-rich "superfoods" found in almost any supermarket today. As well as improving our general health, there is growing evidence ...
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Shaking the Fundamentals of Physics: At the Limits of the Photoelectric Effect
Apr 24, 2009 |
4.3 / 5 (24) |
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With extremely short wavelengths and very high intensities, light-matter interaction seems to be different than previously accepted.
Cutting calories could limit muscle wasting in later years
Sep 16, 2008 |
4.7 / 5 (21) |
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Chemical concoctions can smooth over wrinkles and hide those pesky grays, but what about the signs of aging that aren't so easy to fix, such as losing muscle mass? Cutting calories early could help, say University of Florida ...
Optimized by Evolution, Ants Don't Have Traffic Jams
Mar 30, 2009 |
4 / 5 (21) |
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(PhysOrg.com) -- As highway traffic increases, you'd probably expect a traffic jam, where vehicles slow down due to the high density. While traffic jams are a common occurrence on our highways, high density ...
Virtual education... for free
Jul 31, 2009 |
5 / 5 (15) |
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They don't offer degrees but then they don't charge tuition either.
Mouse studies suggest daily dose of ginkgo may prevent brain cell damage after a stroke
Oct 09, 2008 |
4.7 / 5 (15) |
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Working with genetically engineered mice, researchers at Johns Hopkins have shown that daily doses of a standardized extract from the leaves of the ginkgo tree can prevent or reduce brain damage after an induced stroke.
Microsoft to release free antivirus PC software
Sep 29, 2009 |
2.9 / 5 (22) |
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(AP) -- Microsoft Corp. says its new computer security program can be downloaded starting on Tuesday.
Ripple effect: Water snails offer new propulsion possibilities
Oct 09, 2008 |
4.1 / 5 (15) |
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(PhysOrg.com) -- A UC San Diego engineer has revealed a new mode of propulsion based on how water snails create ripples of slime to crawl upside down beneath the surface.
Bouncing atoms may be the key to the future of gravimetry
Apr 27, 2009 |
4.4 / 5 (14) |
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(PhysOrg.com) -- When studying cold atoms, scientists often use magnetic or optical traps to keep the atoms in place. However, in some cases experimentalists want to study free atoms, avoiding the effects of a trap. "One ...
Free Electron Lasers and You: An LCLS Primer
Dec 05, 2008 |
4 / 5 (14) |
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(PhysOrg.com) -- In a few short months, the Linac Coherent Light Source will start operation as the world's first hard X-ray free electron laser, pushing SLAC National Accelerator Laboratory to the frontier ...
