What is Big Think?  

We are Big Idea Hunters…

We live in a time of information abundance, which far too many of us see as information overload. With the sum total of human knowledge, past and present, at our fingertips, we’re faced with a crisis of attention: which ideas should we engage with, and why? Big Think is an evolving roadmap to the best thinking on the planet — the ideas that can help you think flexibly and act decisively in a multivariate world.

A word about Big Ideas and Themes — The architecture of Big Think

Big ideas are lenses for envisioning the future. Every article and video on bigthink.com and on our learning platforms is based on an emerging “big idea” that is significant, widely relevant, and actionable. We’re sifting the noise for the questions and insights that have the power to change all of our lives, for decades to come. For example, reverse-engineering is a big idea in that the concept is increasingly useful across multiple disciplines, from education to nanotechnology.

Themes are the seven broad umbrellas under which we organize the hundreds of big ideas that populate Big Think. They include New World Order, Earth and Beyond, 21st Century Living, Going Mental, Extreme Biology, Power and Influence, and Inventing the Future.

Big Think Features:

12,000+ Expert Videos


Browse videos featuring experts across a wide range of disciplines, from personal health to business leadership to neuroscience.

Watch videos

World Renowned Bloggers


Big Think’s contributors offer expert analysis of the big ideas behind the news.

Go to blogs

Big Think Edge


Big Think’s Edge learning platform for career mentorship and professional development provides engaging and actionable courses delivered by the people who are shaping our future.

Find out more

New Evidence Points To Possible Snow on Mars

September 12, 2012, 8:23 PM

Article written by guest writer Kecia Lynn

What's the Latest Development?

A report being published in Journal of Geophysical Research confirms the evidence of "snow clouds" made of carbon dioxide that resolve into a "dry ice snowfall" at the Martian southern polar cap. An instrument on NASA's Mars Reconnaissance Orbiter is able to examine atmospheric gases and particles by measuring brightness in visible and infrared light. Based on the data, the carbon dioxide clouds contain particles that are heavy enough to fall to the ground as snow. Also, the signature of the clouds extends to the surface, implying that snowfall may likely be taking place.

What's the Big Idea?

This is the only known carbon dioxide snowfall in the solar system, according to the report, and the southern polar cap is the only place on Mars where dry ice exists year-round on the surface. Prior to this, scientists only knew of the existence of ice as well as a kind of sleet in Mars' northern hemisphere. Because carbon dioxide freezes at -193 degrees Fahrenheit, the possible existence of snow "reminds scientists that although some parts of Mars may look quite Earth-like, the Red Planet is very different."

Photo Credit: Shutterstock.com


New Evidence Points To Poss...

Newsletter: Share: