Long before the discovery of water on Mars or Matt Damon's star turn in The Martian, Robert Zubrin has been advocating for a human mission to mars. His book, The Case for Mars, made a splash when it was first published in 1996, and has continued to be influential in both scientific and science fiction circles. Zubrin calls Mars "the Rosetta Stone" for understanding life in the universe. But he's not just interested in science. He also thinks the sheer challenge would bring positive and uplifting change to all of humankind.
Intelligent. Optimistic. Curious.
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Science researcher and author Clifford Pickover tells Steve Paulson that God may exist on the fringes of human perception.
Josh Ruxin's Dangerous Idea? Instead of foreign aid, use entrepreneurial investment to reduce poverty around the world.
Daniel Pink talks about the day he almost threw up on Al Gore, and gives examples of the new ways people are finding to work.
Philosopher Samuel Scheffler bookmarks "The Children of Men" by P.D. James.
In his new book “Incognito,” David Eagleman explores what he calls “the secret lives of the brain.”
Reporter Benson Gardner chronicles the ethical dilemmas posed by advanced veterinary care. How much should you do for an ailing pet? Where do you draw the line, and why?
Elisabet Sahtouris has no truck with Biblical creationists but thinks the standard story of evolution has major problems.
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