• baba shiv: sometimes it's good to give up the driver's seat
  • bahia shehab: a thousand times no
  • bandi mbubi: demand a fair trade cell phone
  • barat ali batoor my desperate journey with a human smuggler
  • barbara natterson-horowitz: what veterinarians know that physicians don't
  • barbara block: tagging tuna in the deep ocean
  • barry schuler: genomics 101
  • barry schwartz: the paradox of choice
  • barry schwartz the way we think about work is broken
  • barry schwartz: using our practical wisdom
  • bart knols: cheese, dogs and a pill to kill mosquitoes and end malaria
  • bart weetjens: how i taught rats to sniff out land mines
  • barton seaver: sustainable seafood? let's get smart
  • bassam tariq: the beauty and diversity of muslim life
  • bastian schaefer a 3d printed jumbo jet
  • beardyman the polyphonic me
  • beatrice coron stories cut from paper
  • beau lotto + amy o'toole: science is for everyone, kids included
  • beau lotto: optical illusions show how we see
  • becky blanton: the year i was homeless
  • becci manson: (re)touching lives through photos
  • beeban kidron: the shared wonder of film
  • bel pesce 5 ways to kill your dreams
  • ben ambridge: 10 myths about psychology, debunked
  • ben cameron: the true power of the performing arts
  • ben dunlap: the life-long learner
  • ben goldacre: battling bad science
  • ben goldacre: what doctors don't know about the drugs they prescribe
  • ben kacyra: ancient wonders captured in 3d
  • ben katchor's comics of bygone new york
  • ben saunders skis to the north pole
  • ben saunders: why bother leaving the house?
  • ben saunders: to the south pole and back—the hardest 105 days of my life
  • benedetta berti the surprising way groups like isis stay in power
  • ben wellington: how we found the worst place to park in new york city—using big data
  • benjamin barber why mayors should rule the world
  • benjamin wallace: the price of happiness
  • benjamin zander: the transformative power of classical music
  • benoit mandelbrot: fractals and the art of roughness
  • bernie krause the voice of the natural world
  • bertrand piccard's solar-powered adventure
  • beth noveck: demand a more open-source government
  • how the blockchain will radically transform the economy
  • beverly + dereck joubert: life lessons from big cats
  • bill and melinda gates why giving away our wealth has been the most satisfying thing we've done
  • bill clinton on rebuilding rwanda
  • bill davenhall: your health depends on where you live
  • bill doyle: treating cancer with electric fields
  • bill ford a future beyond traffic gridlock
  • bill gates how state budgets are breaking us schools
  • bill gates: teachers need real feedback
  • bill gates the next outbreak we're
  • bill gates on energy: innovating to zero!
  • bill gross on new energy
  • bill gross the single biggest reason why startups succeed
  • bill joy: what i'm worried about, what i'm excited about
  • bill strickland makes change with a slide show
  • bill stone: the caves and the moon
  • bill t. jones the dancer, the singer, the cellist ... and a moment of creative magic
  • billie jean king this tennis icon paved the way for women in sports
  • billy collins: everyday moments, caught in time
  • billy collins two poems about what dogs think (probably)
  • billy graham on technology and faith
  • birke baehr: what's wrong with our food system
  • bj miller what really matters at the end of life
  • bjarke ingels: 3 warp-speed architecture tales
  • bjorn lomborg: global priorities bigger than climate change
  • black: my journey to yo-yo mastery
  • blaise agüera y arcas how computers are learning to be creative
  • blaise aguera y arcas demos photosynth
  • blaise aguera y arcas demos augmented-reality maps
  • boaz almog "levitates" a superconductor
  • bob mankoff anatomy of a new yorker cartoon
  • bob thurman: we can be buddhas
  • boghuma kabisen titanji: ethical riddles in hiv research
  • bobby ghosh: why global jihad is losing
  • boniface mwangi the day i stood up alone
  • bono: action for africa
  • bono: the good news on poverty (yes, there's good news)
  • a.j. jacobs how healthy living nearly killed me
  • bran ferren to create for the ages, let's combine art and engineering
  • brenda brathwaite: gaming for understanding
  • brenda laurel on games for girls
  • brené brown: listening to shame
  • brené brown: the power of vulnerability
  • brewster kahle builds a free digital library
  • brian cox: cern's supercollider
  • brian cox: why we need the explorers
  • brian dettmer: old books reborn as art
  • brian goldman: doctors make mistakes. can we talk about that?
  • brian greene: making sense of string theory
  • brian greene: is our universe the only universe?
  • brian little who are you, really the puzzle of personality
  • britta riley: a garden in my apartment
  • brian skerry reveals ocean's glory—and horror
  • the racial politics of time
  • bruce aylward how we ll stop polio
  • bruce aylward: humanity vs. ebola. how we could win a terrifying war
  • bruce feiler: agile programming—for your family
  • bruce feiler: the council of dads
  • bruce mccall's faux nostalgia
  • bruce schneier: the security mirage
  • bruno bowden folds while rufus cappadocia plays
  • bruno torturra: got a smartphone? start broadcasting
  • bunker roy: learning from a barefoot movement
  • bryan stevenson: we need to talk about an injustice
  • burt rutan sees the future of space