超智JOHN/地球日誌

文章引言： What do you like to listen to when you run? Do you like an energetic playlist to pump you up? Do you put on a few science podcasts, like this particular Curiosity editor? Or do you go without, just happy to hear the sounds around you? If you're in the music camp, we have a recommendation to add to your playlist: anything with a tempo of around 180 beats per minute. Moving your feet at that tempo can bring all sorts of running benefits. 全文連結： For Good Running Form, Step In Time To Queen's "We Are The Champions"

Chichen Itza's El Castillo Is A Pyramid In A Pyramid In A Pyramid 文章引言： In the ancient Mayan ruins of Chichen Itza sits a pyramid called Kukulcan, also known as El Castillo. Archaeologists have long known that this mysterious structure hides a second pyramid within its walls, but new technology has unearthed something strange: a third pyramid inside the second. El Castillo is a pyramid within a pyramid within a pyramid. If researchers can reach it, it could tell them important things about the early people who built it.

Google Is Teaching an AI to Create More AI 文章引言： Whether you're fascinated by thoughts of a future where robots make our lives better or your dystopian visions of a world overrun by mechanical beings keep you up at night, there's no question that artificial intelligence is here to stay. At the recent annual Google I/O conference the company introduced what may be its most jaw-dropping AI innovation yet, AutoML—a technology that can utilize neural networks to teach itself.

How Russia Became Ruled By Corruption And Vladimir Putin 文章引言： Should you ever find yourself leading an army and your plan involves an invasion of Russia that could stretch into the winter, conventional wisdom says it will be the end of your campaign. For over a thousand years, no one who tried to conquer Russia has succeeded. Even the Mongol hordes grew frustrated and retreated after more than two centuries of raids. French and Nazi armies quite literally froze to death, unable to pierce the Russian blockades as they were forced to march back through terrain scoured of anything they may have found useful for survival.

Lunch with the FT: North Korean defector Hyeonseo Lee 文章引言： Hyeonseo Lee bursts into the quiet warmth of the traditional Korean restaurant, bringing with her a blast of sub-zero air from the wintertime streets of Seoul. A miniature hurricane and a woman of strong will — “obstinate” is how she puts it herself — she is not at all the doll-faced persona suggested in photographs. Now 36, she escaped on foot across the frozen Yalu river into China from her home in North Korea at the age of 17. For the next decade, she survived abusive Chinese pimps, gangsters, importunate marriage suitors, informers and police interrogators, and then escaped again to seek asylum and a new home in South Korea. Credit: Steve Jurvetson from Menlo Park, USA - Escape from North Korea