How Does Tylenol Work?

Acetaminophen, the active ingredient in Tylenol™, is one of the most popular pain relievers in the world, selling more than 27 billion doses in 2009 alone. It can reduce fevers, eliminate aches and pains and relieve cough and cold symptoms. But how does it work? The truth is, no one knows exactly. This week, Reactions examines the theories about the popular pill.

 

How The Elements Got Their Names

Joe Hanson of It’s Okay to Be Smart explains how the elements got their names in Dr. Seuss like rhyming fashion.

Enjoy!


How The Elements Got Their Names

Ever wonder what all those names on the periodic table actually mean?

There’s a whole lot of fascinating history on Mendeleev’s table. Some carry names from antiquity, some are named for people, some are named for places, and some are named for mythical beings. Discover the etymology of the elements!

 

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