The size of the Castle Bravo test on 1 March 1954 far exceeded expectations, causing widespread radioactive contamination. The fallout spread traces of radioactive material as far as Australia, India and Japan, and even the United States and parts of Europe. Though organized as a secret test, Castle Bravo quickly became an international incident, prompting calls for a ban on the atmospheric testing of thermonuclear devices. Photo: Wikipdia
Radioactive carbon from nuclear bomb tests found in deep ocean trenches
Radioactive carbon released into the atmosphere from 20th-century nuclear bomb tests has reached the deepest parts of the ocean, a new study finds. Crustaceans in deep ocean trenches have incorporated this ‘bomb carbon’ into the molecules that make up their bodies.
The Antarctic Circumpolar Current is the planet’s most powerful and arguably most important. But much is …