What were the first organisms to have sex? We may never know the answer, but as Bill Nye explains in this Big Think interview, scientists are very interested in why sexual activity remains so popular in nature...
Jason Silva, host of National Geographic Channel’s "Brain Games," calls marijuana legalization a huge win for civilization.
Arianna Huffington describes what she calls "the third women's revolution": a transformation of the world and its social values in order to suit both genders.
In his lecture, Professor Joel Cohen teaches you how demography can provide answers to the life or death questions caused by the world's swelling population and dwindling resources.
Former NASA astronaut Ron Garan explains how the cooperative lessons learned through space exploration are applicable in other realms of life.
There are 21 strategies for changing habits, says author Gretchen Rubin. The most fun is one that incorporates the usage of treats.
Slavoj Žižek draws from examples in literature, film, and advertising to explain a phenomenon in which no sexual liaison is complete without a third element — an intruder, something like a fantasy.
Higher and more equitable growth in the United States requires more public support for higher education, argues economist and best-selling author Thomas Piketty.
Tightrope artist Philippe Petit explains the importance of teaching kids the power of intuition.