radionuclides

41,000 Years Ago Earth’s Shield Went Down

Earth is naked without its protective barrier. The planet's magnetic shield surrounds Earth and shelters it from the natural onslaught…

8 months ago

The Sun has a lot of rhythm and goes through different cycles of activity. The most well-known cycle might be…

4 years ago

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[/caption] Away in space some 4.57 billion years ago, in a galaxy yet to be called the Milky Way, a…

13 years ago

[/caption] It was just over a century ago that a little known French scientist named Henri Becquerel came across something…

14 years ago