Rachel Botsman says we're "wired to share" -- and shows how websites like Zipcar and Swaptree are changing the rules of human behavior.

Rachel Botsman writes and speaks on the power of collaboration and sharing through network technologies, and on how it will transform business, consumerism and the way we live.

Beverly & Dereck Joubert live in the bush, filming and photographing lions and leopards in their natural habitat.

With stunning footage (some never before seen), they discuss their personal relationships with these majestic animals -- and their quest to save the big cats from human threats.

Facebook COO Sheryl Sandberg looks at why a smaller percentage of women than men reach the top of their professions -- and offers 3 powerful pieces of advice to women aiming for the C-suite.

As the COO at the helm of Facebook, Sheryl Sandberg juggles the tasks of monetizing the world’s largest social networking site while keeping its users happy and engaged.

Rainy Laura Blue Cloud grew up in Nevada County and began her life-long political activism through involvement in local organizations and issues.

She is a Native American (Mohawk) who has worked for several years towards the advancement of the rights of Indigenous Peoples in international law, including her work as Indigenous Youth Ambassador to the United Nations for the American Indian Law Alliance.

Poet and essayist Molly Fisk writes and teaches in Nevada City, CA. She's the author of the poetry collections:

The More Difficult Beauty and Listening to Winter; her latest CD of radio commentary is Blow-Drying a Chicken.

Molly teaches Writing to Heal to cancer and cardiac patients and runs the well-known on-line workshop Poetry Boot Camp.

She speaks nationally on poetry, innovation, feminism, and child abuse, and was recently featured at TEDxSanFrancisco.