Tribal war drove human evolution of aggression
Sep 09, 2008 |
3.7 / 5 after 64 votes |
51
Wars are costly in terms of lives and resources – so why have we fought them throughout human history? In modern times, states may fight wars for a number of complex reasons. But in the past, most tribal wars were fought ...
Future nanoelectronics may face obstacles
Sep 09, 2008 |
4.3 / 5 after 26 votes |
no comments yet
(PhysOrg.com) -- Combining ordinary electronics with light has been a potential way to create minimal computer circuits with super fast information transfer. Researchers at Umeå University in Sweden and the University of ...
Why delaying gratification is smart
Medicine & Health / Psychology
Sep 09, 2008 |
4.4 / 5 after 22 votes |
17
If you had a choice between receiving $1,000 right now or $4,000 ten years from now, which would you pick? Psychologists use the term "delay discounting" to describe our inability to resist the temptation of a smaller immediate ...
Phoenix Monitors Frosty Clumps on its Struts
Space & Earth science / Space Exploration
Sep 09, 2008 |
3.7 / 5 after 14 votes |
9
(PhysOrg.com) -- The latest look underneath NASA's Phoenix Mars Lander shows growth of clumps that are adhering to a leg strut.
Switched-on new nanotechnology paints for hospitals could kill superbugs
Nanotechnology / Bio & Medicine
Sep 09, 2008 |
4.5 / 5 after 25 votes |
no comments yet
New nanotechnology paints for walls, ceilings, and surfaces could be used to kill hospital superbugs when fluorescent lights are switched on, scientists heard today at the Society for General Microbiology's Autumn meeting ...
Researchers find memory capacity much bigger than previously thought
Sep 09, 2008 |
4.7 / 5 after 25 votes |
1
In recent years, demonstrations of memory's failures have convinced many scientists that human memory does not store the details of our experiences. However, a new study from MIT cognitive neuroscientists ...
Landmark study reports breakdown in biotech patent system
Sep 09, 2008 |
4.8 / 5 after 12 votes |
3
The world's intellectual property system is broken. It's stopping lifesaving technologies from reaching the people who need them most in developed and developing countries, according to the authors of a report released in ...
Microsoft's Xbox price cuts are welcome, but make sure you do the math
Electronic Devices / Consumer & Gadgets
Sep 09, 2008 |
3.3 / 5 after 6 votes |
3
This week's price cuts on the Xbox 360 console are a smart move by Microsoft. Overdue, but smart.
An accurate speedometer for astronomy
Sep 09, 2008 |
4.8 / 5 after 18 votes |
2
Events on a cosmic scale are often barely discernable on Earth. This explains why astronomers are currently not able to prove directly that the universe is expanding at an ever increasing rate, nor can they ...
MU anthropologist develops new approach to explain religious behavior
Sep 09, 2008 |
4.5 / 5 after 20 votes |
no comments yet
Without a way to measure religious beliefs, anthropologists have had difficulty studying religion. Now, two anthropologists from the University of Missouri and Arizona State University have developed a new approach to study ...
