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May 21, 2022 9:00 AM
Steelmaking is a major source of emissions. These companies are racing to fix it.
May 20, 2022 6:00 PM
Featured in contamination
Oct 21, 2021
A salmonella outbreak has hit 37 states, and onions are to blame
If you're not sure where your onions are from, toss them to be safe.
Feb 09, 2021
Simple, at-home tests can check your air and water for contaminants
There are more options than ever.
Aug 07, 2020
The onions in your kitchen could give you food poisoning
Toss the onions and pick up some scallions.
Oct 01, 2019
Humans will definitely bring microbes to Mars—so we might as well bring our favorites
Before we move to other planets, researchers say we have to master microbiology first.
Apr 25, 2018
Good job: Arctic sea ice is full of our junk plastic
Scientists now have a better idea of just how much microplastic reaches the Arctic. It's a lot.
Sep 07, 2016
I Tried Really Hard Not To Contaminate NASA’s Asteroid-Hunting Spacecraft
OSIRIS-REx will launch tomorrow, possibly with my germs onboard
May 05, 2016
Total Recall: What To Know About Listeria
Hundreds of food products may be contaminated with this food poisoning bacteria
Jan 19, 2016
Lead In Water: What Are The Health Effects And Dangers?
The water in Flint, Michigan could affect children permanently
Oct 05, 2015
The Evacuated Chernobyl Is Now Teeming With Wildlife
Human habitation is more devastating to animals than nuclear fallout
Sep 25, 2015
Your Seafood Might Contain Tiny Plastic Particles
Is "trash to table" the next dining trend?
