December 2016 Issue
Departments
Open for Discussion: Lead in Your Water: Is Any Amount Safe?
By Adrian Dingle
Drinking water with unsafe amounts of lead can cause serious health
problems. But how do we know which amounts of lead in drinking
water are unsafe?
As a Matter of Fact
The Chemistry of Candy
(available in print issue only)
Features
The Flint Water Crisis: What’s Really Going On?
By Adrian Dingle
How did the Flint water crisis happen, and what was done to make the city’s water safer to drink again?
Teacher's Guide
Background Information for the Teacher's Guide
Preserving Organs: Saving Lives, Giving Hope
By David Warmflash
Donated organs need to be preserved in cold solutions before they are transplanted to people who need them. But the preservation time is relatively short. A recent cooling technique promises to preserve organs for days (instead of hours), increasing the chances that the lives of more people could be saved.
Teacher's Guide
Background Information for the Teacher's Guide
Clearing the Way to Acne-Free Days
By Joely Johnson Mork
Between 80% and 90% of teens cope with acne. How does acne
form, and what types of products work best in removing it?
Teacher's Guide
Background Information for the Teacher's Guide
No Smartphones, No TV, No Computers: Life without Rare-Earth Metals
By Gail Kay Haines
You may not see them, but they are all around you. Called rare-earth elements, 17 silvery metals are in nearly every high-tech product that is a part of our modern lives.
Teacher's Guide
Background Information for the Teacher's Guide
Piping Hot, Ice Cold… Thanks to Chemistry
By Brian Rohrig
Self-heating and self-cooling cans allow you to heat or cool your food in a few minutes. How do they work?
Teacher's Guide
Background Information for the Teacher's Guide
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