While this robot may provide security, some experts also fear its monitoring capabilities will further erode personal privacy.

In two years NASA hopes to be growing plants on the moon in an experiment designed to shed light on how life can be sustained in extreme conditions. 

The comet is believed to have broken up and evaporated. 

Will Comet ISON survive its close encounter with the Sun?

Bill Nye - who turns 58 today - says teaching science needs to be a hands-on experience in order for it to be really effective. Like the funniest moments in life, you might say, you had to be there.

Some students take the position that the best way to change an organization is from the inside. Therefore, going to work for a company that, for instance, produces tobacco products, is the best way to affect change.

Scientists are unsure whether a coronal mass ejection from the sun - pictured here - took the sungrazing comet out. 

Learning faster is becoming more and more important, and we simply learn faster in cities than we could on our own.

Countries like Finland, South Korea and Poland got smarter not by spending more money or creating more tests. The children learned how to think, and to thrive in the modern economy. 

When the President gives a speech today, the historian Doris Kearns Goodwin tells Big Think, "you might hear the pundits tearing it down before he even finishes the speech." 

As François Jacob famously said, evolution is a tinkerer and not an engineer. When you're a tinkerer, you throw things together to solve the problem at hand. 

How do 21st century photo editing techniques impact classic conceptions of beauty? Just have a look at the image above, by the Italian artist Anna Utopia Giordano. Giordano's Venus project gives Photoshop makeovers to paintings such as Botticelli's La Nascita di Venere.

Anne Wojcicki, co-founder of 23andMe, tells Big Think that people should have access to anything that is fundamentally theirs.

MIT's Donald Sadoway advocates "science and service to society" as opposed to "science and service of career building."

Animators at NASA's Goddard Space Flight Center in Greenbelt, Md. created this short movie showing how the sun can cook a comet. 

This "autonomous pack horse" is designed to interact with troops in a "natural way" like a trained animal would. 

Ready. Set. Go: dark matter in one minute. 

The extreme form of distrust and cynicism can lead to paranoia. The milder form is the much more common cognitive bias known as the "fundamental attribution error."

NASA's Earth Observatory detected a slab of ice 21 miles by 12 miles, or about the size of Singapore, floating in Pine Island Bay, south-west of Chile.

Astronomers in April, 2013 saw the biggest and brightest cosmic explosion ever witnessed, a large gamma-ray burst.