// Donnerstag

David Blaine: How I held my breath for 17 min

In this highly personal talk from TEDMED, magician and stuntman David Blaine describes what it took to hold his breath underwater for 17 minutes - a world record (only two minutes shorter than this entire talk!) - and what his often death-defying work means to him. Warning: do NOT try this at home.


// Mittwoch

How far is a second?

The moon may be 1.3 light-seconds away, but why on earth do we measure distances using time?

The Secret Life of Plankton

New videography techniques have opened up the oceans' microscopic ecosystem, revealing it to be both mesmerizingly beautiful and astoundingly complex. Marine biologist Tierney Thys has used footage from a pioneering project to create a film designed to ignite wonder and curiosity about this hidden world that underpins our own food chain.


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