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This Greek philosopher had the right idea, just too few elements

Author: Tom Siegfried / Source: Science News Long before there was a periodic table of the elements, there was no need for a table — just four chairs. From ancient through medieval into early modern times, natural philosophers could count the known elements with the fingers of only one hand

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Here’s how long the periodic table’s unstable elements last

Author: Carmen Drahl / Source: Science News On the periodic table, most elements have at least one stable form. But others have only unstable forms, all of which decay by emitting radiation and transforming into different elements until becoming one that’s stable. The timescale of radioactive

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Extreme elements push the boundaries of the periodic table

Author: Emily Conover / Source: Science News The rare radioactive substance made its way from the United States to Russia on a commercial flight in June 2009. Customs officers balked at accepting the package, which was ensconced in lead shielding and emblazoned with bold-faced warnings and the

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150 years on, the periodic table has more stories than it has elements

Author: Tom Siegfried / Source: Science News Every field of science has its favorite anniversary. For physics, it’s Newton’s Principia of 1687, the book that introduced the laws of motion and gravity. Biology celebrates Darwin’s On the Origin of Species (1859) along with his birthday (1809).

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This Greek philosopher had the right idea, just too few elements

Here’s how long the periodic table’s unstable elements last

Extreme elements push the boundaries of the periodic table

150 years on, the periodic table has more stories than it has elements

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