Nobody plans to waste money on a trip, but the way currency and fees work abroad makes it remarkably easy to lose a meaningful amount without noticing. Almost all of…
There is nothing quite like looking into a crater and understanding, in a physical way, that the ground you live on is a thin crust over something enormous. These fourteen…
We tend to assume that simple things are old things. If an object is uncomplicated and useful, surely someone thought of it long ago. In fact, the gap between when…
Soup is the most universal thing people cook. It stretches scarce ingredients, it uses the parts of an animal nobody else wants, and it turns up in some form in…
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There are landscapes that look like other planets, and then there is the Danakil Depression, which scientists actually use as a stand-in for one. It sits in the…
Look at Earth from orbit today and you see the famous blue marble: oceans, cloud swirls, green continents. Run the clock back roughly 700 million years and an observer in…