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Water Quality
The salinity of the oceans is not just a matter of taste. Saltier water behaves differently, too.
According to the CDC, 50 countries worldwide have drinkable tap water. But look closer, and the picture is more nuanced.
Despite the enormous mass of the Earth, simply depleting our groundwater is changing our axial tilt. Simple Newtonian physics explains why.
Civil engineer Martin Lebek has a brilliant plan to redress the world’s phosphorus imbalance.
Why can’t more rainwater be collected for the long, dry spring and summer when it’s needed?
Flashy desalination technology is more costly and cumbersome than many other solutions.
Anyone up for a crisp, blonde ale?
It could make enough drinking water for a family of four.
The sky is blue. The oceans are blue. While science can explain them both, the reasons for each are entirely different.
When we try to recreate simpler versions of natural ecosystems, we invariably make mistakes, argues author and biologist Rob Dunn.