3696824776_aa155bdb0e_o_2000px

Journalist Rose George cares a lot about poop. But, she would argue, so should everyone. Here she gives four resources about toilets and sanitation.

Roboticist Raffaello D’Andrea describes his work on three new autonomous flying machines, including one that “knows” what to do when it loses a propeller. (Hint: it doesn’t crash.)

HandBeg

Dan Pallotta has an unconventional view of nonprofits: To innovate and really make an impact, he thinks they should function with business-minded acumen. But, bringing principles of the corporate world into the nonprofit sector can be a tough sell. Here, he recommends 8 articles that give more insight into why we should put a value on effective philanthropy.

Menuez_featured__2

Doug Menuez began photographing Steve Jobs in 1985, and then he spent 15 years immersed in the booming world of Silicon Valley innovation. Take a step back in time to see young titans in action.

What can be guessed about you from your online behavior? Two computer privacy experts — economist Alessandro Acquisti and computer scientist Jennifer Golbeck — on how little we know about how much others know.

Beijing-based artist Liu Bolin disappears into his works, silently making bold statements about consumerism, mass culture — even the Chinese government. See a gallery of previously unpublished works.

Botswana’s Okavango Delta, home to the world’s largest elephant population, is now a UNESCO World Heritage site. TED Fellow Steve Boyes explains why this is a great thing.