[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 ...

If you are concerned about the bone-thinning disease osteoporosis, you may have heard about treatment with strontium. Some people say this supplement improves bone health, but it’s important to think ...

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 ...

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.

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 ...

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 ...

Optical lattice clocks are emerging timekeeping devices based on tens of thousands of ultracold atoms trapped in an optical lattice (i.e., a grid of laser light). By oscillating between two distinct ...

Strontium titanate was once used as a diamond substitute in jewelry before less fragile alternatives emerged in the 1970s. Now, researchers have explored some of its more unusual properties, which ...