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A chemist explains the chemistry behind decaf coffee

Enlarge (credit: matusgajdos17 / 500px via Getty Images) For many people, the aroma of freshly brewed coffee is the start of a great day. But caffeine can cause headaches and jitters in others. That’s why many people reach for a…

Just how brainy was a T. rex?

How brainy was Tyrannosaurus rex? It depends on who you ask. Last year, the iconic dinosaur received the glow up of a lifetime. Neuroscientist Suzana Herculano-Houzel calculated that the fearsome reptile had 3.3 billion neurons — nerve cells — in…