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Forget what you think you know about dark matter. After a 30-year search for a single, as yet unidentified, species of dark matter particle that would make up some 25% of the mass of the universe, physicists are starting to consider novel explanations. Some envision invisible matter hiding within the folds of extra spatial dimensions. Others suggest not one kind of dark matter particle, but numerous species inhabiting a shadow universe. Others still conjecture that dark matter doesn’t exist, and instead propose that the laws of gravity need modification. We’ll bring together leading thinkers on dark matter—the revolutionary and conventional alike—for a distinctly unconventional discussion on the dark universe.
This program is part of the Big Ideas Series, made possible with support from the John Templeton Foundation.
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Original Program Date: June 2, 2016
MODERATOR: John Hockenberry
PARTICIPANTS: Katherine Freese, Justin Khoury, Stacy McGaugh, Neal Weiner, Lisa Randall
The discovery of Dark Matter 00:00
John Hockenberry introduction 3:50
Participant Introductions 8:10
What is dark matter? 9:59
Lets talk about WIMPs 15:15
How do we detect dark matter? 17:45
The standard model looks incomplete 28:46
So you want to take apart Newton and Einstein? 37:49
What role did dark matter play in the early universe? 48:00
Can dark matter be a super fluid? 55:15
Will we understand dark matter better if we know about its origins? 1:02:28
What is the headline for the next big dark matter discovery? 1:07:46
http://www.ted.com "I am a mathematician, and I would like to stand on your roof." That is how Ron Eglash greeted many African families he met while researching the fractal patterns hed noticed in villages across the continent.
TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers are invited to give the talk of their lives in 18 minutes -- including speakers such as Jill Bolte Taylor, Sir Ken Robinson, Hans Rosling, Al Gore and Arthur Benjamin. TED stands for Technology, Entertainment, and Design, and TEDTalks cover these topics as well as science, business, politics and the arts. Watch the Top 10 TEDTalks on TED.com, at
http://www.ted.com/index.php/talks/top10
Interactive immune systems are at the center of cancer and other diseases. Dr. Matthew Krummel explores how the immune system can regulate cancer progression. Recorded on 10/31/2019. [12/2019] [Show ID: 35239]
More from: Next: UCSF Scientists Outline What’s To Come
(https://www.uctv.tv/mini-med-next)
UCTV is the broadcast and online media platform of the University of California, featuring programming from its ten campuses, three national labs and affiliated research institutions. UCTV explores a broad spectrum of subjects for a general audience, including science, health and medicine, public affairs, humanities, arts and music, business, education, and agriculture. Launched in January 2000, UCTV embraces the core missions of the University of California -- teaching, research, and public service – by providing quality, in-depth television far beyond the campus borders to inquisitive viewers around the world.
(https://www.uctv.tv)
Paul Andersen explains how populations eventually reach a carrying capacity in logistic growth. He begins with a brief discussion of population size ( N ), growth rate ( r ) and exponential growth. He then explains how density dependent limiting factors eventually decrease the growth rate until a population reaches a carrying capacity ( K ). A mathematical simulation of this process is included along with a brief discussion of r and K selected species.
Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: http://www.freesound.org/peopl....e/CosmicD/sounds/725
Creative Commons Atribution License
All images are either Public Domain or Creative Commons Attribution Licenses:
"File:Frog in Frogspawn.jpg." Wikipedia, the Free Encyclopedia. Accessed April 19, 2013. http://en.wikipedia.org/wiki/F....ile:Frog_in_frogspaw
"File:Stress-coloured Brookesia Desperata Female with Two Recently Laid Eggs.png." Wikipedia, the Free Encyclopedia. Accessed April 19, 2013. http://en.wikipedia.org/wiki/F....ile:Stress-coloured_
Nevit. English: White Rabbit, 2011. Own work. https://commons.wikimedia.org/....wiki/File:Rabbit_nev
10th June 1940, The Most Honourable & Eminent Prophet, Marcus Mosiah Garvey, transitioned to meet the Ancestors. To mark the day, I am going shares some ideas of what Papa Garvey means by "Look For Me In The Whirlwind" & what the future of Universal Afrikan Nationalism look like.
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