Unstable atoms emit fast-moving particles that can damage cells in the human body. Some atoms are far more unstable than ...
From the first moments of Big Bang to the present day, the cosmic story of how our Universe evolved to become filled with stars, galaxies, and all that we can see and detect is a tale that unites us ...
Artemis Spyrou receives funding from the US National Science Foundation. Sean Liddick receives funding from the Department of Energy, Office of Science and the Department of Energy, National Nuclear ...
Mrs Roberts: What do you think you're made of? Mr Spellman: Big question. Grit, determination, hard-working, handsome, charming, funny. Mrs Roberts: Well, I guess. But you're actually made of atoms.
The universe was too hot for atoms to form immediately after the Big Bang. Hydrogen formed about 3 minutes after the Big Bang. Helium formed in smaller amounts than hydrogen. Neutral atoms formed ...
Since the discovery of radioactivity in the 19th century, humanity has been forced to reckon with an uncomfortable but sobering truth: much of the matter we find today will eventually decay away. This ...
The heaviest element that humans have ever found is called oganesson. Each atom of the stuff packs a whopping 118 protons into its dense center. In contrast, hydrogen—the most abundant element in the ...
A chemical element is one of those squares on the periodic table that adorns many a classroom wall. Sure. But what is an element really? It is a more subtle question that you might realise. To get to ...
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