The Fall of the Maya: 'They Did it to Themselves'
Other Sciences / Archaeology & Fossils
Oct 07, 2009 |
4.4 / 5 (53) |
16
For 1200 years, the Maya dominated Central America. At their peak around 900 A.D., Maya cities teemed with more than 2,000 people per square mile -- comparable to modern Los Angeles County. Even in rural areas ...
Largest Ring Around Saturn Discovered
Oct 07, 2009 |
4.7 / 5 (32) |
12
(PhysOrg.com) -- NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn -- by far the largest of the giant planet's many rings.
Scientists discover quantum fingerprints of chaos
Oct 07, 2009 |
4.8 / 5 (28) |
1
Chaotic behavior is the rule, not the exception, in the world we experience through our senses, the world governed by the laws of classical physics.
Super-thin flexible OLED from Sony
Electronics / Consumer & Gadgets
Oct 07, 2009 |
4.7 / 5 (28) |
11
(PhysOrg.com) -- Sony is showing off prototypes incorporating its super-thin, flexible OLED technology at the CREATEC JAPAN 2009 IT and electronics trade show in Makuhari Messe (Chiba) in Japan.
Researchers create smaller and more efficient nuclear battery
Oct 07, 2009 |
4.8 / 5 (27) |
14
(PhysOrg.com) -- Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are ...
Physicists Demonstrate Three-Color Entanglement
Oct 07, 2009 |
4.3 / 5 (25) |
3
(PhysOrg.com) -- For the first time, physicists have demonstrated the quantum entanglement of three light beams, all of different wavelengths. Entanglement of two light beams of different wavelengths has already ...
New aluminum-water rocket propellant promising for future space missions
Nanotechnology / Nanomaterials
Oct 07, 2009 |
4.5 / 5 (21) |
1
(PhysOrg.com) -- Researchers are developing a new type of rocket propellant made of a frozen mixture of water and "nanoscale aluminum" powder that is more environmentally friendly than conventional propellants ...
Chilean eruption highlights risk from 'rhyolitic' volcanoes
Space & Earth / Earth Sciences
Oct 07, 2009 |
4.6 / 5 (13) |
0
Magma from a Chilean volcano shot through Earth's crust at around a metre (3.25 feet) per second, a speed highlighting the perils from so-called rhyolitic volcanoes, scientists reported on Wednesday.
Unnatural selection: Birth control pills may alter choice of partners
Oct 07, 2009 |
4.1 / 5 (14) |
21
There is no doubt that modern contraception has enabled women to have unprecedented control over their own fertility. However, is it possible that the use of oral contraceptives is interfering with a woman's ability to choose, ...
Atomic Wire with Protective Sheath: Stable Metal Nanowires One Atom Wide Inside Carbon Nanotubes
Nanotechnology / Nanomaterials
Oct 07, 2009 |
4.8 / 5 (11) |
1
(PhysOrg.com) -- Wires with atomic dimensions are potential structural elements for future nanoscopic electronic components. Such fine wires have completely new electronic properties. However, apart from the non-trivial production ...
Astronomers capture spectacular meteor footage and images (w/ Video)
Space & Earth / Space Exploration
Oct 07, 2009 |
4.3 / 5 (12) |
0
(PhysOrg.com) -- Astronomers from The University of Western Ontario in London, Canada have released footage of a meteor that was approximately 100 times brighter than a full moon. The meteor lit up the skies ...
NASA Refines Asteroid Apophis' Path Toward Earth
Space & Earth / Space Exploration
Oct 07, 2009 |
3.9 / 5 (12) |
6
(PhysOrg.com) -- Using updated information, NASA scientists have recalculated the path of a large asteroid. The refined path indicates a significantly reduced likelihood of a hazardous encounter with Earth ...
Fill 'er up -- with algae
Oct 07, 2009 |
4.2 / 5 (10) |
0
Imagine filling up your car with fuel that comes from inexpensive algae that grow quickly, don't use up freshwater supplies and can be cultivated in areas where they won't compete with traditional food crops, ...
One small step for neurons, one giant leap for nerve cell repair
Medicine & Health / Neuroscience
Oct 07, 2009 |
4.8 / 5 (8) |
0
The repair of damaged nerve cells is a major problem in medicine today. A new study by researchers at the Montreal NeurologicaI Institute and Hospital (The Neuro) and McGill University, is a significant advance towards a ...
You can watch NASA give the moon a one-two punch
Space & Earth / Space Exploration
Oct 07, 2009 |
5 / 5 (7) |
6
(AP) -- NASA will throw a one-two punch at the big old moon Friday and the whole world will have ringside seats for the lunar dust-up.
