Your brain can imagine things that haven’t happened or that don’t even exist.
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By learning what parts of the brain are crucial for imagination to work, neuroscientists can look back over hundreds of millions of years of evolution to figure out when it first emerged.
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New research suggests ordering the elements by atomic radius and ability to attract electrons.
The periodic table of chemical elements turns 150 in 2019.
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Wishing you a Happy International Year of the Periodic Table of Chemical Elements on the occasion of its 150th birthday in 2019!
Period pains.
European Chemical Society
Exactly 150 years after Mendeleev’s classic formulation, it’s time for one for the resource-hungry 21st century.