Stories by David Appell

Regulatory questions about implantable chips persist

Are bunker-busting nuclear warheads a viable option?

Physicists try to predict when stock prices will crash

From the carbon-nanotube lab to the corridors of Washington power, Mildred S. Dresselhaus has followed a career that combines scientific research with public service

For complex environmental issues, science learns to take a backseat to political precaution

Researchers make pulses that travel faster than light--sort of

The Kansas decision against evolution suggests that more scientists need to become local activists