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On this week's Tuesdays With Bill, Lillian has the whole summer ahead of her, and wants to know what kind of science-related activities she can do outside of the classroom.

People considered physically attractive enjoy many social and professional benefits others do not. But the reasons why are more complex than you might think.

Jon Acuff discusses the four moments you'll encounter in your career and the key to navigating them.

Jim Whitehurst, CEO of Red Hat, explains how the cloud is evolving in a way few anticipated.

Steven Kotler explains that a new device and its imitators can trigger "mystical" experiences in the brain.

The best way to benefit from meditation is to start small — really small. Dr. Suzuki explains how short bursts of meditation can change the biology of your brain for the better, making you healthier and more purpose driven.

Fear of offending one another is driving us apart, says the celebrated comic. That's why we have comedy.

Alexandra Wilkis Wilson, co-founder and CEO of GLAMSQUAD; cofounder of Gilt Group; and an advisor, mentor, and angel investor to startups in the New York Tech community, offers a few key tips to maximize any startup's chances of success.

All new technology is frightening, says physicist Lawrence Krauss. But there are many more reasons to welcome machine consciousness than to fear it.

Lisa Bodell, founder of the innovation research and training firm futurethink, explains that with the right knowledge and tools, everyone has the power to innovate.

On this week's Tuesdays With Bill, Rachel, a Columbia University student, asks two questions for the price of one: What would happen if a human being went the speed of light, and why don't we just eject our trash into outer space?

Behavioral psychologist Dan Ariely has spent over 10 years researching human dishonesty. What are the different kinds of dishonesty? Why do we tell lies? How can one act of dishonesty escalate further?

Never a stranger to offbeat or unconventional wisdom, Freakonomics co-author Stephen J. Dubner explains why it's beneficial to pay politicians a high amount of money to encourage good behavior.

Stress can be your friend, says psychologist Kelly McGonigal. It's all a matter of how you respond to it.

Forget sticks and stones: Language is powerful. Ash Beckham argues that if we want to build better communities for all stakeholders, it's vital to frame our language around inclusion and empathy.

Theoretical physicist Brian Greene gives a crash course on quantum computing in two minutes.

The freedom to go from identifying as white to black isn't afforded to blacks who would want to identify as white.

So let's talk about fracking. It isn't a terrible idea in theory, says Bill Nye the Science Guy, but it can't be allowed to go unregulated. This is because new technologies have promoted irresponsible fracturing practices with severe environmental and public health consequences.

"Islamic extremism is an assault on the ideas of liberalism, on the idea of innovation, on women, on gays, on tolerance, on civilization," says the author and social activist. She says if American cultural leaders like Ben Affleck can't see this, it's because they're not paying attention.

"In my opinion you’re allowed to cry." Neuroscientist Dr. Wendy Suzuki reacts to the controversial comments made this week by Nobel Laureate Sir Tim Hunt.