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.)

Filmmaker Louie Schwartzberg looks at nature in fine detail, often documenting what’s unseen to the human eye. Take a look at still images and video clips that show the natural world in all its glory.

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Watch an amazing short film in which TED Fellow Nina Tandon and her partner Sarindr Bhumiratana describe their new business: “a revolutionary bone reconstruction company that allows patients to ‘grow their own bone’.” What? Yeah. Watch it.

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You too can make a delicious adult beverage from pineapple juice, Bacardi 151 and the DNA of frozen strawberries.

Blaise Ag├╝era y Arcas demos a new version of Photosynth, a set of tools that stitches together photos to let you explore distant places — in 3D.

Many speakers have addressed the topic of drones from the TED stage. See clips and take a deep dive into this provocative topic.