This story appears in the June 2009 issue of National Geographic magazine. The world economy in the ninth century had two powerful engines. One was Tang dynasty China, an empire stretching from the ...

A study of university students and recent graduates has revealed that writing on physical paper can lead to more brain activity when remembering the information an hour later. Researchers say that the ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Melanie Pinola and Wirecutter Staff It turns out, I’ve been recycling all ...

Climate change impacts are no longer distant but have entered people’s everyday experiences. Here we look back on a 2011 paper that showed how direct personal experience shapes people’s climate change ...

One of the oldest financial adages is that it "takes money to make money." Aside from selling your own labor, that's true, and the stock market is arguably the most lucrative and time-tested arena for ...

Chocolate or strawberry? Life or death? We make some choices quickly and automatically, relying on mental shortcuts our brains have developed over the years to guide us in the best course of action, ...