玛雅人种玉米与小行星石灰岩：古代技术的说法
人类过去也曾面临过这种情况， 他们做到了，还
运用了技术
他们发现这些技术有效。 而玛雅人发现这一点的方式
非常
简单。 有一段时间，他们无法种植玉米
但有几位
萨满注意到， 当他们把石灰岩放上去
那些石灰岩曾被小行星撞击过， 玉米就在
那里的阴影下生长。 于是他们开始怎么做？
他们开始用这种特殊的石灰岩 建造他们所有的建筑
以及一些混凝土， 这些混凝土来自
小行星残骸。为什么这会有效？ 小行星富含稀土
元素
End of transcript · 96 words · machine translated
Original transcript (English)
Humans have faced this in the past, and they did and used technology that they found out would work. And the way the Mayans found this out was very simple. They couldn't grow corn for a period of
time, but several of the shaman noticed that when they put the limestone up that had gotten hit with the asteroid, that corn grew under the shadow there. So what did they start doing? They started building all their buildings with this special limestone
and some of the concrete that came from the remnants of the asteroid. Why did that work? The asteroid was loaded with rare earth elements
