[UPDATED 4/28: with information from FDA. Altered sentences in italics.] A radioactive isotope of strontium has been detected in American milk for the first time since Japan's nuclear disaster—in a ...

Just how dangerous to the human race is the radioactive fallout from nuclear-weapons tests? The subject is enormously complex, and to understand all aspects of it requires expert knowledge of many ...

Strontium takes its name from the Scottish village of Strontian (Sròn an t-Sìthein), making it the only element named after a place in the United Kingdom. Adair Crawford in 1790 recognized that the ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

Probing strontium: seeing the first evidence of "spin symmetry" A new measurement, made by an international team of researchers using the world’s most precise clock, shows that the quantum spins of ...

Talk about the perils of atomic radiation has swelled in volume and intensity ever since the U.S. and Russia fired their much-publicized H-bombs in 1954. From public forums and presses all over the ...

Fallout — radioactive material from a nuclear explosion — exists in every corner of the world. Nuclear fallout from a bomb is less dangerous long-term than from a nuclear power plant disaster. Fallout ...

Strontium is a soft, silvery metal with a number of uses: It blocks X-rays emitted by TV picture tubes; it causes paint to glow in the dark; and it is responsible for the brilliant reds in fireworks.

A little-known element is shedding light on the transatlantic slave trade. Researchers have assembled a map of strontium, a naturally occurring element, across sub-Saharan Africa. These data can be ...