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Why You Can Smell Rain
How to address America's lead crisis and provide safe drinking water for all
Curious Kids: How does the stuff in a fire extinguisher stop a fire?
Adapting cities to a hotter world: 3 essential reads
Heat stroke: A doctor offers tips to stay safe as temperatures soar
Why lead is dangerous, and the damage it does
Coral reefs provide flood protection worth $1.8 billion every year – it's time to protect them
Discovered: A Huge Liquid Water Lake Beneath the Southern Pole of Mars
Scientists Discover What Appears to be Water Beneath the Surface of Mars