
Linking together the histories of Henrietta Swan Leavitt, Edwin Hubble and Tracy K. Smith, poet and thinker Maria Popova crafts an astonishing story of how humanity came to see the edge of the observable universe. (Followed by an animated excerpt of "My God, It's Full of Stars," by Tracy K. Smith)
اگر پخش یا دانلود این قسمت خراب است، به مدیر اطلاع دهید.
Building a pandemic-free future won't be easy, but Bill Gates believes that we have the tools and strategies to make it possible -- now we just have to fund them. In this forward-looking talk, he proposes a…
Given the scale of the challenge, the conversation around climate change is often tinged with doom and gloom. But climate tech investor Gabriel Kra thinks we need to reframe the crisis as a source of tremendous…
Under the sea, untold wonders await in the form of untapped medicinal potential. Chemist Sam Afoullouss dives into the science behind natural remedies, explaining why the ocean's great (and still largely unexplored)…
Scientists have long known that cows are a huge source of the greenhouse gas methane, contributing up to four percent of emissions globally. But could there be a way to make cattle less -- ahem -- gassy? Animal…
Could we use the energy from light and sound to detect disease? TED Fellow Lei Li shares the exciting promise of photoacoustic imaging: an affordable, painless and accurate method of converting light into sound in order…