Sleep Emergency

Sleep Emergency

 Matthew Walker [ Sleep Engineering ] It’s a delight and privilege to be here and I would like to start with testicles. Men who sleep 5 hours a night have significantly smaller testicles than those who sleep 8 hours or more. In addition men who routinely sleep 5 to 6 hours a night will have a level of testosterone which is that

Persuasion Architectures

Persuasion Architectures

  Zeynep Tufecki [ Machine Learning ] When people voice fears of artificial intelligence, very often, they invoke images of humanoid robots run amok. You know, Terminator. That might be something to consider, but that’s a distant threat. Or, we fret about digital surveillance with metaphors from the past. “1984,” George Orwell’s “1984,” it’s hitting the bestseller lists again. It’s a great book,

Spontaneous Synchronization

Spontaneous Synchronization

Radhika Nagpal [ Biomimicry ] In my early days as a graduate student, I went on a snorkeling trip off the coast of the Bahamas. I’d actually never swum in the ocean before, so it was a bit terrifying. What I remember the most is, as I put my head in the water and I was trying really hard to breathe through the

Language Barriers

Language Barriers

Lera Boroditsky [ Bilingualism 1:04:02 ] Humans communicate with one another using 7,000 or so different languages, and each language differs from the next in innumerable ways. Do people who speak different languages think differently? Do languages merely express thoughts, or do they secretly shape the very thoughts we wish to express? Are some thoughts unthinkable without language? The question of whether the

Microgrid 2017

Microgrid 2017

Gretchen Bakke [ 12:37 ] Trottier Institute for Sustainability in Engineering and Design, McGill University. Since about 2008 there has been a groundswell of intervention in the workings of what we now call the macrogrid that aren’t coming from within the utility sector. One of the great drivers of this shift from indifference toward action is the failing reliability of the current system.

Texas, Austin

Texas, Austin

James Pennebaker  [ EDU 2.0 ] Because more people than ever are signing up for degree programs, Pennebaker has been able to fund experimental testing regimes and pay Teaching Assistants to craft really good questions. People who don’t have to come up with good questions don’t realize how difficult it is to write a good test question. FEATURED IMAGE CREDIT: TVZ Design