`Nighttime` Earth images reveal global light pollution problem

NASA’s new ‘Black Marble’ images of the nighttime Earth reveal that our globe is heavily littered with excessive and wasteful lighting that produces light pollution.

Switching off lights to avoid cancer

Simply turning on a light at night for a few seconds to go to the toilet can cause changes that might lead to cancer, scientists claim.

Switching off lights to avoid cancer

Simply turning on a light at night for a few seconds to go to the toilet can cause changes that might lead to cancer, scientists claim.