A Canadian archaeologist says the First Nations of the Canadian Plains might have had complex tribal social structures 1,700 years earlier than thought.
U.S. researchers say they have conducted the first comprehensive molecular analysis of aggressive behavior in a laboratory species.
A U.S. study has provided evidence that autism affects the functioning of the entire brain, not just communication, social behavior and reasoning.
U.S. scientists say a habit in some animals to periodically awake during hibernation might be an evolutionary mechanism to fight bacterial infection.
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.
Delegates to the 16th International AIDS Conference meeting in Toronto are debating whether to endorse circumcision as a method to fight AIDS.
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.
(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 ...
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 ...
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 ...