Wendy Freedman, director of the Observatories of the Carnegie Institution of Washington, spoke to Vision about the complexities of measuring the universe and of the human brain that attempts to make sense of it.
No article of faith has been subject to as much scrutiny by critics and loving burnishing by the faithful as the notion that Mary remained a virgin to her death.
The food we produce today could adequately feed the world, yet we throw it away by the tons. Not only do millions go hungry as a result, but our wastefulness has a direct environmental impact.
With the world’s number-one virtual currency so much in the headlines and yet so little understood, it’s a good time to look at its origin, volatile price—and surprising environmental implications.