Tribal war drove human evolution of aggression
Sep 09, 2008 |
3.7 / 5 (64) |
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 |
4.4 / 5 (27) |
0
(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 ...
Researchers find memory capacity much bigger than previously thought
Sep 09, 2008 |
4.7 / 5 (25) |
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 ...
Switched-on new nanotechnology paints for hospitals could kill superbugs
Nanotechnology / Bio & Medicine
Sep 09, 2008 |
4.5 / 5 (25) |
0
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 ...
Why delaying gratification is smart
Medicine & Health / Psychology & Psychiatry
Sep 09, 2008 |
4.3 / 5 (23) |
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 ...
Silent streams? Escalating endangerment for North American freshwater fish
Sep 09, 2008 |
4.8 / 5 (19) |
4
Nearly 40 percent of fish species in North American streams, rivers and lakes are now in jeopardy, according to the most detailed evaluation of the conservation status of freshwater fishes in the last 20 years.
MU anthropologist develops new approach to explain religious behavior
Sep 09, 2008 |
4.5 / 5 (20) |
0
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 ...
An accurate speedometer for astronomy
Sep 09, 2008 |
4.8 / 5 (18) |
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 ...
Climate: New spin on ocean's role
Sep 09, 2008 |
3.9 / 5 (19) |
2
New studies of the Southern Ocean are revealing previously unknown features of giant spinning eddies that have a profound influence on marine life and on the world's climate.
Hot tips for the Big Bang
Sep 09, 2008 |
3.7 / 5 (20) |
1
As the world waits for the start of the biggest physics experiment ever undertaken, the Institute of Physics (IOP)’s Chief Executive has taken a punt on three hot tips for what will happen after switch-on of the Large Hadron ...
Researchers identified a protein essential in long term memory consolidation
Sep 09, 2008 |
4.6 / 5 (14) |
0
New research at the University of Haifa identified a specific protein essential for the process of long term memory consolidation. This is the latest of several discoveries that are leading us towards a better understanding ...
Hydrogen bonds: Scientists find new mechanism
Sep 09, 2008 |
4 / 5 (16) |
0
Water’s unrivaled omnipresence and the crucial role it plays in life drives scientists’ to understand every detail of its unusual underlying properties on the microscopic scale.
Landmark study reports breakdown in biotech patent system
Sep 09, 2008 |
4.8 / 5 (12) |
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 ...
Remote Brainwaves Predict Future Eureka Moment
Sep 09, 2008 |
4.3 / 5 (12) |
0
Real-world problems come in two broad flavors: those requiring sequential reasoning and those requiring transformative reasoning: a break from past thinking and restructuring followed by an insight (also known as Eureka or ...
Phoenix Monitors Frosty Clumps on its Struts
Space & Earth / Space Exploration
Sep 09, 2008 |
3.7 / 5 (14) |
9
(PhysOrg.com) -- The latest look underneath NASA's Phoenix Mars Lander shows growth of clumps that are adhering to a leg strut.
