Sam Kean

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.

Squid experts have been debating for some time about whether the giant squid is a passive predator that just floats around in the water and waits to bump into something. I was never one to imagine it to be passive.