Add Canadians to the list of foreigners who are healthier than Americans.
Americans are 42 percent more likely than Canadians to have diabetes, 32 percent more likely to have high blood pressure, and 12 percent more likely to have arthritis, Harvard Medical School researchers found.
insured Americans and Canadians had about the same rates of disease. It was the uninsured Americans who made the overall U.S. figures worse, she said.
Robot hand controlled by thought alone
A robotic hand controlled by the power of thought alone has been demonstrated by researchers in Japan.
The robotic hand mimics the movements of a person's real hand, based on real-time functional magnetic resonance imaging (fMRI) of their brain activity. It marks another landmark in the advance towards prosthetics and computers that can be operating by thought alone.
Mysterious glowing clouds targeted by NASA
Glowing, silvery blue clouds that have been spreading around the world and brightening mysteriously in recent years will soon be studied in unprecedented detail by a NASA spacecraft.
The Aeronomy of Ice in the Mesosphere (AIM) mission will be the first satellite dedicated to studying this enigmatic phenomenon. Due to launch in late 2006, it should reveal whether the clouds are caused by global warming, as many scientists believe.
Iraq's marshes showing fast recovery
Re-flooding of Iraq's destroyed Mesopotamian marshes has resulted in what scientists say is a remarkable rate of recovery for its plants, fish and birds.