As robots and automation take over jobs, there will still be some occupations where humans will be preferred, says theoretical physicist and best-selling author Michio Kaku.
Heather Heying knows that a true understanding of the world comes not from the answers, but the questions as well.
What does it take to become an astronaut? Retired astronaut Chris Hadfield explains, along with his vision for space exploration.
In these digital times, all of us will put on the stage, says actress Parker Posey.
Can radiation in space limit human exploration? It's a real challenge, explains NASA's Michelle Thaller.
Roaming horny hippos obtained illegally by Colombian drug lord Pablo Escobar? It's a heck of a true story.
Author, broadcaster, and financial advisor Alvin Hall posits that since he doesn't fit into the narrowly defined idea of what a financial advisor should look like in the U.S., he fell through the cracks and didn't...
"One small step for man" costs a lot of money. Who's going to help pay the bill for the next bout of space exploration?
The philosophy of life from comedian, author, and woodworker Nick Offerman.
In practice, no one has ever developed a democracy that works particularly well if judged in absolute terms. But all the alternatives so far have been worse.
Michelle Thaller from NASA examines if it's possible to put up a giant disk to block out the sun's rays and cool Earth.
The U.S military is the most powerful in the world but its cost and usefulness are worth debating.
Current physician and former NASA astronaut Scott Parazynski knows a thing or two about out-of-this-world success.
For a drug with zero fatalities and huge money-making possibilities, why is marijuana illegal in the first place? Author Johann Hari runs us through why he thinks it should be legal.
Has the constant barrage of political news got you down? Yale University historian Timothy Snyder has a solution.
Writer Michael Hobbes says there are too many stereotypes about millennials.
Social entrepreneur Miki Agrawal explains what makes a perfect business partner.
U.S. Army strategist and military historian Danny Sjursen says Americans don't value all lives the same.
Women have different financial strategies and insight than men, argues Sallie Krawcheck, the co-founder and CEO of Ellevest, a digital investment platform for women.