Over the last couple of weeks, I've been traveling around the country and talking with folks about my blueprint for an economy built to last. It's a blueprint that focuses on restoring the things we'v
我们一边想着办法让自己健康长寿，一边又过着不健康的生活，比如熬夜、吃不健康的食品、不遵守作息规律。Dan Buettner告诉你如何活过100岁，从养生和科学层面分析长寿的秘诀。 Dan Buettner: How to live to be 100+ Something called the Danish Twin Study established that only about 10 per
Does anybody know when the stethoscope was invented? Any guesses? 1816. 有人知道听诊器是什么时候发明的吗？大家试着猜一猜，有人说是1816年。 And what I can say is, in 2016, doctors aren't going to be walking around with stethoscopes.
