How to Measure What We Don't Know
Sep 10, 2009 |
4.7 / 5 (24) |
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(PhysOrg.com) -- How do we discover new things? For scientists, observation and measurement are the main ways to extract information from Nature. Based on observations, scientists build models that, in turn, are used to make ...
Scientists discover surprise in Earth's upper atmosphere
Space & Earth / Earth Sciences
Sep 10, 2009 |
4.6 / 5 (23) |
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(PhysOrg.com) -- UCLA atmospheric scientists have discovered a previously unknown basic mode of energy transfer from the solar wind to the Earth's magnetosphere. The research, federally funded by the National ...
Carbon nanotubes could make efficient solar cells
Nanotechnology / Nanomaterials
Sep 10, 2009 |
5 / 5 (21) |
13
(PhysOrg.com) -- Cornell researchers fabricated, tested and measured a simple solar cell called a photodiode, formed from an individual carbon nanotube.
Great Tit Turns Out to be a Killer
Sep 10, 2009 |
4.7 / 5 (21) |
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(PhysOrg.com) -- The Great Tit is an aggressive songbird found in Britain, continental Europe, parts of Northern Africa, and much of Asia. It is believed to survive mostly on seeds, nuts, fruit, insects, beetles, ...
Giant stone-age axes found in African lake basin
Other Sciences / Archaeology & Fossils
Sep 10, 2009 |
4.3 / 5 (18) |
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(PhysOrg.com) -- A giant African lake basin is providing information about possible migration routes and hunting practices of early humans in the Middle and Late Stone Age periods, between 150,000 and 10,000 ...
Choosing a Low Radiation Cell Phone
Electronics / Consumer & Gadgets
Sep 10, 2009 |
4.4 / 5 (12) |
10
(PhysOrg.com) -- An Environmental Working Group (EWG) team has released a consumer guide on the radiation levels emitted by over 1,000 cell phones sold in the U.S. The guide is the most comprehensive ever ...
China could meet its entire future energy needs by wind alone, study says
Sep 10, 2009 |
3.8 / 5 (13) |
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A team of environmental scientists from Harvard and Tsinghua University demonstrated the enormous potential for wind-generated electricity in China. Using extensive metrological data and incorporating the Chinese ...
Archaeologists discover oldest-known fiber materials used by early humans
Other Sciences / Archaeology & Fossils
Sep 10, 2009 |
4.5 / 5 (11) |
3
(PhysOrg.com) -- A team of archaeologists and paleobiologists has discovered flax fibers that are more than 34,000 years old, making them the oldest fibers known to have been used by humans. The fibers, discovered ...
Dramatic biological responses to global warming in the Arctic
Sep 10, 2009 |
3 / 5 (16) |
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"The Arctic as we know it may soon be a thing of the past," says Eric Post, associate professor of biology at Penn State University. Post leads a large, international team that carried out ecosystem-wide ...
More oxygen -- colder climate
Space & Earth / Earth Sciences
Sep 10, 2009 |
4.1 / 5 (10) |
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Everybody talks about CO2 and other greenhouse gases as causes of global warming and the large climate changes we are currently experiencing. But what about the atmospheric and oceanic oxygen content? Which role does oxyge ...
Troublesome green algae serve as coating substrate in record-setting battery
Nanotechnology / Nanomaterials
Sep 10, 2009 |
3.7 / 5 (10) |
9
(PhysOrg.com) -- Unwanted blooms of Cladophora algae throughout the Baltic and in other parts of the world are not entirely without a positive side. A group of researchers at the Angstrom Laboratory at Uppsala University have d ...
Superscanner sees into the unknown
Sep 10, 2009 |
4 / 5 (9) |
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(PhysOrg.com) -- Researchers at The University of Nottingham have a new weapon in their arsenal of tools to push back the boundaries of science, engineering, veterinary medicine and archaeology.
Alzheimer's Gene Alters Brain Function in Young Adults
Sep 10, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- The gene most closely linked to an increased risk of developing Alzheimer's disease affects brain activity in young adults -- much earlier in life than previously reported -- according to researchers at Duke ...
NOAA Locates U.S. Navy Ship Sunk in World War II Battle
Other Sciences / Archaeology & Fossils
Sep 10, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- A NOAA-led research mission has located and identified the final resting place of the YP-389, a U.S. Navy patrol boat sunk approximately 20 miles off the coast of Cape Hatteras, NC, by a German ...
Light electric motor spins out
Sep 10, 2009 |
4 / 5 (7) |
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(PhysOrg.com) -- A new Oxford University spin-out company, Oxford Yasa Motors, has been set up to commercialise lightweight electric motors developed at the Department of Engineering Science. The new technology ...
