News tagged with concentrations
Meditation increases brain gray matter
Push-ups, crunches, gyms, personal trainers -- people have many strategies for building bigger muscles and stronger bones. But what can one do to build a bigger brain? Meditate.
Medicine & Health / Neuroscience
May 12, 2009 |
4.4 / 5 (38) |
13
Discovery of a complex, multicellular life from over two billion years ago
The discovery in Gabon of more than 250 fossils in an excellent state of conservation has provided proof, for the first time, of the existence of multicellular organisms 2.1 billion years ago. This finding ...
Space & Earth / Earth Sciences
Jun 30, 2010 |
5 / 5 (27) |
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A system that's worth its salt: New approach to water desalination could lead to small, portable units
(PhysOrg.com) -- Potable water is often in high demand and short supply following a natural disaster like the Haiti earthquake or Hurricane Katrina. In both of those instances, the disaster zones were near ...
Nanotechnology / Nanomaterials
Mar 21, 2010 |
4.6 / 5 (23) |
6
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How hot did Earth get in the past? Scientists uncover new information
The question seems simple enough: What happens to the Earth's temperature when atmospheric carbon dioxide levels increase? The answer is elusive. However, clues are hidden in the fossil record. A new study ...
Space & Earth / Earth Sciences
Jul 05, 2011 |
5 / 5 (18) |
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World has five years to avoid severe warming: IEA
The world has just five years to avoid being trapped in a scenario of perilous climate change and extreme weather events, the International Energy Agency (IEA) warned on Wednesday.
Nov 09, 2011 |
3.9 / 5 (22) |
62
New evidence supports 'Snowball Earth' as trigger for early animal evolution
A team of scientists, led by biogeochemists at the University of California, Riverside, has found new evidence linking "Snowball Earth" glacial events to the rise of early animals.
Space & Earth / Earth Sciences
Oct 27, 2010 |
4.3 / 5 (19) |
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Abu Dhabi to build 'world's largest' solar plant
French oil firm Total and Spain's Abengoa Solar will partner with Abu Dhabi's alternative energy company Masdar to build "the world's largest" concentrated solar power plant, Masdar announced on Wednesday.
Technology / Energy & Green Tech
Jun 09, 2010 |
4.7 / 5 (16) |
12
Oxygen fuels the fires of time
Variations in the Earth's atmospheric oxygen levels are thought to be closely linked to the evolution of life, with strong feedbacks between uni- and multicellular life and oxygen. Over the past 400 million years the level ...
Space & Earth / Earth Sciences
Aug 02, 2010 |
4.8 / 5 (14) |
29
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Extreme summer temperatures occur more frequently: study
(PhysOrg.com) -- Extreme summer temperatures are already occurring more frequently in the United States, and will become normal by mid-century if the world continues on a business as usual schedule of emitting ...
Feb 15, 2012 |
3.2 / 5 (21) |
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New solar concentrator design (w/ Video)
A new solar concentrator design from an electrical engineering Ph.D. student at the University of California, San Diego could lead to solar concentrators that are less expensive and require fewer photovoltaic ...
Apr 22, 2010 |
4.1 / 5 (16) |
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Bubble-propelled microrockets could operate in the human stomach
(PhysOrg.com) -- Recently, researchers have been designing a wide variety of self-propelled micromotors, many of which operate using an oxygen-bubble propulsion mechanism that requires a high concentration ...
Jan 18, 2012 |
4.9 / 5 (12) |
0
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Nasa study solves case of Earth's 'missing energy'
(PhysOrg.com) -- Two years ago, scientists at the National Center for Atmospheric Research in Boulder, Colo., released a study claiming that inconsistencies between satellite observations of Earth's heat and ...
Space & Earth / Earth Sciences
Jan 30, 2012 |
4.1 / 5 (14) |
12
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Climate scientists underwhelmed by Copenhagen Accord
Top climate scientists said Saturday that the eleventh-hour political deal hammered out at UN talks in Copenhagen falls perilously short of what is needed to stave off catastrophic global warming.
Dec 20, 2009 |
2.7 / 5 (18) |
18
'Blue energy' seems feasible and offers considerable benefits
Generating energy on a large scale by mixing salt and fresh water is both technically possible and practical. The worldwide potential for this clean form of energy - 'blue energy' or 'blue electricity' - is enormous. However, ...
Technology / Energy & Green Tech
Oct 30, 2009 |
4.5 / 5 (10) |
0
CO2 was hidden in the ocean during the Ice Age: study
Why did the atmosphere contain so little carbon dioxide (CO2) during the last Ice Age 20,000 years ago? Why did it rise when the Earth's climate became warmer? Processes in the ocean are responsible for this, says a new study ...
Space & Earth / Earth Sciences
Mar 29, 2012 |
4.5 / 5 (10) |
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