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MIT 9.13 The Human Brain, Spring 2019

Neuroscience playlist.

Instructor: Nancy Kanwisher View the complete course: https://ocw.mit.edu/9-13S19 YouTube Playlist: This course surveys the core perceptual and cognitive abilities of the human mind and explores how they are implemented in the brain… NOTE: * Lecture 3. Master Class: Human Brain Dissection (in-class dissection—video not recorded) * NOTE: Lecture 12: Brain-Machine Interface with Guest Lecturer Michael Cohen is unavailable * Lecture 14: New Methods Applied to Number (student breakout groups—video not recorded) * Lecture 17: MEG Decoding and RSA (video not recorded) * Lecture 19: Language II (class canceled—video not recorded) * Lecture 22: Experimental Design (student breakout groups—video not recorded) * Lecture 23: Deep Networks (2021) (video will be added soon) License: Creative Commons BY-NC-SA More information at https://ocw.mit.edu/terms More courses at https://ocw.mit.edu Support OCW at http://ow.ly/a1If50zVRlQ We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.

2 high schoolers say they’ve found proof for the Pythagorean theorem, which mathematicians thought was impossible

Getty Images Two US high schoolers believe they have cracked a mathematical mystery left unproven for centuries. Calcea Johnson and Ne’Kiya Jackson looked at the Pythagorean theorem, foundational to trigonometry. The American Mathematical Society said the teenagers should submit their findings to a journal. Two high school seniors from New Orleans think they have managed to prove a 2,000-year-old theorem that has stumped mathematicians for centuries.

Scientists discover supermassive black hole that now faces Earth

This is a galactic-sized problem. Scientists revealed Tuesday that galaxy PBC J2333.9–2343 has been reclassified after discovering a supermassive black hole that is currently facing our solar system, reports Royal Astronomical Society. Alien-hunting physicist on mission to prove meteorite that hit Earth is extraterrestrial probe Asteroid that could wipe out a city is near.

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These scientists are convinced that the future can influence the past

We’ve all heard of the “consequences of our actions,” where something in our past somehow brings about something in our future. Another common way to look at it is through the eyes of sowing seeds. You reap what you sow. However, some scientists think that it could also work the other way, through something they call retrocausality, which means your actions in the future somehow influence the past.