October 2024

Free Articles

FEATURE

Light it Up!

By XiaoZhi Lim
From X-rays to new compounds made with lanthanide elements, chemistry helps doctors see inside the body.


OPEN FOR DISCUSSION

Film or Digital? Which Type of Photography is Better for the Planet?

There are surprising environmental downsides of both film and digital photography. See why choosing the best option isn’t as straightforward as it seems.


CHEMISTRY IN PERSON

Using Chemistry as a Tool to Preserve Art and History

Meet Jennifer McGlinchey Sexton, a paper and photograph conservator who protects and restores photographs by understanding the chemical processes that went into their production and how the chemistry of their layers interact with one another and their environment.

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Image of an MRI scan of a brain

A Look Inside

By Wynne Parry
Medical doctors use magnetic resonance imaging (MRI) to diagnose diseases such as multiple sclerosis (MS) or ligament tears in your knee. How do these giant magnets work?

Teacher's Guide (DOC)   Teacher's Guide (Google Doc)   


White flowers on a blue background

Cyanotypes: Chemistry in Blue

By Victoria Russell
A mixture of iron complexes, when exposed to light, produces the historically important pigment Prussian blue.

Teacher's Guide (DOC)   Teacher's Guide (Google Doc)


Image of the Great Smoky Mountains taken by George Masa

Changing the World Through Photography

By Grant Currin
George Masa, a Japanese immigrant and photographer, used black-and-white prints to help create the Smoky Mountains National Park and the Appalachian Trail.

Teacher's Guide (DOC)   Teacher's Guide (Google Doc)