Martin Kamen and Samuel Ruben's discovery of the radioactive isotope carbon-14 in 1940 helped usher in a new era of dating ...

HAVE AN UNFOLDING SCANDAL TO OCCUPY US in Washington this week as well as some pretty heavy-duty foreign-policy stuff. But my mind just keeps being hauled back to the radiation story. That is the ...

Scenes from the nuclear theater of a long cold war: In the 1940s and '50s, when Americans still trusted their doctors and their government, researchers subjected hundreds of ill-informed people to ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo: Naval Radiological Defense Laboratory; Fang family San Francisco Examiner photograph archive. Creative Commons Attribution ...

Planning and Carrying Out Investigations: Designing experiments to measure radioactive decay and the effects of radiation. (Example: Conducting experiments to observe how distance and shielding ...

The Manhattan Project that built the atomic bomb wasn't without its own dangers. Experiments on a so-called "demon core" of plutonium caused the deaths of two Manhattan Project physicists. Both ...

China plans to conduct radiation experiments on plant seeds, microorganisms and small animals. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Editor’s note: This article is published after the passing away of Rod Ewing. The draft manuscript was prepared by both authors. It has been lightly edited for style, length, and clarity. Additional ...

Uncle Sam conducted several pointless and destructive experiments on his own people during the Cold War. The most infamous was MKUltra, the CIA's project to develop procedures for mind control using ...