A TOUGH lifeform could survive the brutal conditions of Mars. That’s the verdict from scientists who spent five hours blasting it with a year’s worth of Martian radiation. Lichens are ...

To identify the correct radioactive source for different applications. Alpha radiation will damage cells if the radioactive source has been breathed in as a gas or dust or if it is swallowed.

Stop wearing these smartwatches,” says a man in a video shared on Instagram and Facebook. “I’ve warned you about electromagnetic frequencies, radio ...