Cuán comunista es realmente China hoy | BBC Mundo

Se cumplen 70 años desde que Mao Zedong se hiciera con el poder en China y creara la República Popular. Pero ¿cuánto queda del comunismo en la que hoy es la segunda economía del mundo?

Does time exist? – Andrew Zimmerman Jones

The earliest time measurements were observations of cycles of the natural world, using patterns of changes from day to night and season to season to build calendars. More precise time-keeping eventually came along to put time in more convenient boxes. But what exactly are we measuring? Andrew Zimmerman Jones contemplates whether time is something that physically exists or is just in our heads.

Why did you identify with Snow White? Why not say, Robin Hood?

I’m not a thug, nor do I want to be a thief. I believe Snow White was brave. She found her way out of adversity. She was resourceful without resorting to crime.

OK, so it’s not about the gender of the role model?

No, it’s about the behavior of the role model.

¿Por qué se cree en supersticiones? – CuriosaMente 98

Los humanos somos más supersticiosos de lo que crees. ¿Por qué existen las supersticiones? ¿Es posible abandonar el pensamiento irracional?