Archive: 06/20/2006

Synchronising the Swarm

Models from theoretical physics, which are normally used to plot the motion of particles, are beginning to shed light upon the mass migration of living organisms as well. These include swarms of locusts, which ...

Jun 20, 2006 4.2 / 5 (12) 0

'Thirst for knowledge' may be opium craving

Neuroscientists have proposed a simple explanation for the pleasure of grasping a new concept: The brain is getting its fix. The "click" of comprehension triggers a biochemical cascade that rewards the brain ...

Jun 20, 2006 4.8 / 5 (57) 0

NTT cash card falls victim to hacking

From taking to prepaid cards from their early years to encouraging people to use mobile phones to purchase everything from train tickets to coffee, Japan has been quick to embrace the concept of a cashless society. Yet that ...

Jun 20, 2006 4 / 5 (4) 0

Scientists want polar bear protection

A U.S. climate researcher is leading a team of 30 North American and European scientists in urging the polar bear be listed as a threatened species.

Jun 20, 2006 3.5 / 5 (2) 0

Bones Hold the Key to Blood Renewal

Though we think of them as solid and permanent, our bones are actually constantly being rebuilt throughout our lives. A team of scientists at the Weizmann Institute of Science has now revealed how cells that work at remodeling ...

Jun 20, 2006 4.7 / 5 (3) 0

Measuring single qubits

“In a quantum system,” explains Alexander Korotkov at the University of California, Riverside, “the result of a measurement can change the system so that it moves in the same direction as the result.” Testing this ...

Jun 20, 2006 4.5 / 5 (37) 0 feature

The New New Math of String Theory

At the beginning of the last century, Albert Einstein posited a now famous theory that forever linked geometry and fundamental physics. According to general relativity, spacetime is curved, and that curvature ...

Jun 20, 2006 3.5 / 5 (132) 2