National Geographic has a nice video (as well as a long story by Carl Zimmer) about scientists who are trying to learn more about the way the brain works by slicing mice brains into incredibly thin sections, fore to aft, and then using scans of those slices to create what amounts to a wiring diagram. The goal is to see how all the parts connect and, hopefully, get a better idea of how they all work together.
The video is lovely, with some great shots of lab work and an animated tour of the mouse brain slices. The animation looks, at first, like a time-lapse thing, but it's actually more like driving down a highway and watching buildings on the roadside appearing, becoming larger, and then shrinking in the rearview. Really great stuff! It also underlines a bit why I'm pretty skeptical of Ray Kurzweil's singularity. Or, at least, his estimations of how long it will take for scientists to understand our brains well enough that they could be replicated digitally.
University of Zurich researchers used transcranial magnetic stimulation, a noninvasive method of inhibiting activity in parts of the brain, to “turn off” people’s ability to control their impulses. They focused on the temporoparietal junction, an area of the brain thought to play an important role in moral decisions, empathy, and other social interactions. They hope […]
Are you jonesing for a dose of optimism and possibility? In the mood to contemplate the cosmos? Want to experience a musical message for extraterrestrials the way it was meant to be played? The Voyager Golden Record: 40th Anniversary Edition, a project I launched with Timothy Daly and Lawrence Azerrad, is a lavish vinyl box […]
In Rich do not rise early: spatio-temporal patterns in the mobility networks of different socio-economic classes, a group of transportation engineers analyze an open data-set about the commutes of people in the Colombian cities of Medellín and Manizales, concluding that the rich and the poor commute the furthest distances, but that the rich have much […]
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From self-driving cars to stock market predicting software to the recommendations you get on Amazon and Netflix, machine learning is at the core of modern technology. You could find yourself building technology that is literally changing the world with the skills you’ll learn in The Complete Machine Learning Bundle. This bundle of 10 courses includes 406 lessons that will teach […]