Why do some places on Earth get far more solar eclipses than others?
为什么有些地方要等一千年才能看到日全食，而另一些地方十年才能看到两次？日食发生和不发生的背后令人惊讶的轨道力学。
Lotus shoes: Tiny footwear for Chinese women whose feet were bound as children
莲花鞋是一种与缠足有关的小鞋，缠足是一种在中国持续了至少一千年的美容习俗。
