简介：Julia Reichert, who passed away after a long battle with cancer in 2022, recounts the path she took to becoming an acclaimed filmmaker: her upbringing and education, and her interest in working people and the women's movement.
简介：Ray Dalio在2008年美国金融危机之后，在Youtube上的分享的一个30分钟的视频，介绍生产效果、短期债务周期、长期债务周期的起源。这个视频对于没有任何经济学基础的人都是便于理解的。比尔盖茨对这个视频的推荐语是这样的："This knowledge would help everyone as investors and citizens. Watching it for 30 minutes is a worthwhile investment." 这些知识对每个人都有帮助，无论是投资者还是普通人；看三十分钟本身就是一个值得的投资。
简介：Volcanoes, earthquakes, and tornadoes all can cause enormous damage, and predicting where and when they will strike is of great importance. Volcanologist Dr. Marie Edmonds has devised sensors that monitor the underground activity of magma to better predict future eruptions on the Caribbean island of Monserrat, the site of the massive 1995 eruption captured for this film. Geophy...