December 2021

Free Articles


The Mesmerizing Pull of Ferrofluids

By Brian Rohrig
Mysterious. Alien. Magical. The captivating movements of ferrofluids in response to a magnetic field seem inexplicable—until you learn about the science behind the versatile material!  


Why Do Experts Change Their Minds?

By Robert Kidd

During a global health emergency, government and health experts have a responsibility to regularly provide guidance to keep people safe. During the pandemic, some people have become wary of public health advice because it switched course a few times. But why do experts change their minds?


From Chemist to Food-Tech CEO

By Max G. Levy

Aidan Mouat credits “dumb luck” for setting him on a path from chemist to CEO. Mouat has for the past six years run Hazel Technologies, which invented a small packet of chemicals to keep food fresh longer before reaching grocers. 

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Pink and blue bath bomb dissolving in water

Bath Bombs: The Chemistry Behind the Fizz

By Wynne Parry
Bath bombs can transform your bathing experience with soothing scents, tiny bursting bubbles, and swirls of vivid colors. Find out what ingredients are mixed and matched to give these products their fizzy appeal!

Teacher's Guide (DOC)

Women working at the United States Radium Corporation in the 1910s and early 1920s

Radiation. The Good. The Bad. And Its Place in Our Modern World.

By inChemistry
The world learned the hard way that radioactive elements can be deadly. But with research, scientists figured out how to harness the properties of these materials and use them for good.

Teacher's Guide (DOC)

Construction workers pouring wet concrete at construction site

Tales of Concrete Forensics

By Mitch Jacoby/Chemical & Engineering News
Concrete is everywhere! We rely on it to build roads, buildings, bridges, and sewage systems. But if poorly applied, concrete will quickly crack and flake. Investigators can often reveal where the chemistry went wrong and how to fix it.

Teacher's Guide (DOC)

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