Lead poisoning the drinking water of Flint is the worst possible disaster. It’s a breakdown of urban systems that could’ve been avoided. It’s an instance of smarmy politicians lying to their constituents. It’s one of the scariest stories I’ve had to write about in some time. But it doesn’t mean you shouldn’t trust the…
The first explorer to ever set foot on the untouched South Pole did so over 100 years ago, in 1911. Although the area may have looked pristine, it had already been contaminated by lead.
At first, the exoplanet 55 Cancri e didn't look all that impressive: just another large rocky planet circling its star every couple of days. But a recalculation of its orbit has revealed that it's the galaxy's densest known planet.