In the summer of 1986, futuristic magnetic trains and life-size robots drew a teenaged Michael Levin to the Vancouver World’s Expo. But what changed his life was an obscure used book he found on the ...

The discovery that tissues use electricity to expel unhealthy cells is part of a surge of renewed interest in the currents flowing through our bodies. We’re used to thinking of the brain as an ...

Researchers are building a case that long before the nervous system works, the brain sends crucial bioelectric signals to guide the growth of embryonic tissues. The tiny tadpole embryo looked like a ...