A Canadian archaeologist says the First Nations of the Canadian Plains might have had complex tribal social structures 1,700 years earlier than thought.

Other Sciences - Archaeology & Fossils

Aug 16, 2006 3.3 / 5 (12) 0

U.S. researchers say they have conducted the first comprehensive molecular analysis of aggressive behavior in a laboratory species.

Biology -

Aug 16, 2006 3 / 5 (4) 0

A U.S. study has provided evidence that autism affects the functioning of the entire brain, not just communication, social behavior and reasoning.

Medicine & Health -

Aug 16, 2006 4 / 5 (15) 0

U.S. scientists say a habit in some animals to periodically awake during hibernation might be an evolutionary mechanism to fight bacterial infection.

Biology -

Aug 16, 2006 3.5 / 5 (2) 0

U.S. scientists say they've determined a single cup of coffee might cause a heart attack in some people within an hour of drinking it.

Medicine & Health -

Aug 16, 2006 4 / 5 (15) 0

Delegates to the 16th International AIDS Conference meeting in Toronto are debating whether to endorse circumcision as a method to fight AIDS.

Medicine & Health -

Aug 16, 2006 2.5 / 5 (8) 0

U.S. medical experts say half of those infected with West Nile virus have ongoing health concerns more than a year later, including fatigue and tremors.

Medicine & Health -

Aug 16, 2006 4.3 / 5 (6) 0

(AP) -- Technology-savvy South Korea isn't happy making only MP3 players and the memory chips that go inside many of the more popular models. It also wants people wearing South Korean "smart" clothes with built-in digital ...

Electronics - Consumer & Gadgets

Aug 16, 2006 1.6 / 5 (19) 0

Scientists have discovered a gene that has undergone accelerated evolutionary change in humans and is active during a critical stage in brain development. Although researchers have yet to determine the precise ...

Biology -

Aug 16, 2006 4.5 / 5 (23) 0

University of Arizona Associate Professor of Physics Andrei Lebed has discovered that strong magnetism changes the basic, intrinsic properties of electrons flowing through superconductors, establishing an "exotic" ...

Physics - General Physics

Aug 16, 2006 4.5 / 5 (64) 0

In a world of e-mail spam and Internet scams, it’s often difficult to discern fact from fiction in cyberspace. Some Internet users can’t distinguish a real Web site from a fake one based on its domain name, and some users ...

Technology - Internet

Aug 16, 2006 1.6 / 5 (9) 0

Voyager 1, already the most distant human-made object in the cosmos, reaches 100 astronomical units from the sun on Tuesday, August 15 at 5:13 p.m. Eastern time (2:13 p.m. Pacific time). That means the spacecraft, ...

Space & Earth - Astronomy

Aug 16, 2006 4.8 / 5 (76) 0

At a press conference late Wednesday, following the two-day flight readiness review at NASA's Kennedy Space Center in Florida, NASA's senior managers announced an Aug. 27 launch date for mission STS-115, resuming ...

Space & Earth - Space Exploration

Aug 16, 2006 2.7 / 5 (10) 0

Spores of the dreaded Bacillus anthracis have already been used as a bioweapon against the civilian population. Once inhaled, the anthrax pathogen almost always leads to death if the victims are not treated within 24 to 48 ...

Chemistry -

Aug 16, 2006 4.3 / 5 (8) 0

Mathematical procedures developed at MIT may soon help energy companies locate new sources of oil many kilometers underground.

Other Sciences - Mathematics

Aug 16, 2006 3.8 / 5 (18) 0