This substance is the most radioactive natural element, a million times more so than uranium. It is so radioactive that it gives off a pale blue glow.

Californium This radioactive substance, strictly made in nuclear reactors or particle accelerators, is valued at $25.6 million per gram due to its high volume of neutrons.

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new and faster method for ...

A substance that’s radioactive gives off a form of energy so intense that it’s capable of harming the body. ... Radioactive iodine is the most common treatment for Graves’ disease.

WHEN you think of radioactive material, one would immediately associate it with a green glow. Take the opening sequence of The Simpsons animated series, for example, where the Homer Simpson, who ...