CHEMISTRY

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99%VideoDec 2014

Isaac Asimov on the Greenhouse Effect in 1989

(2:39) From a presentation at the Humanist Institute in New York in 1989, showing that climate change has been an issue for scientists for many decades.

(8 comments)

96%VideoMay 2013

Quantum cooling to near absolute zero

(9:57) Complex physics made slightly less complex. Professor Andrea Morello explains how to use helium-3 and helium-4 to get within thousandths of a degree above absolute zero.

(2 comments)

95%VideoDec 2012

Chemistry Dubstep

(2:39) The sound of science.

(1 comments)

94%VideoOct 2012

What keeps nuclear weapons from proliferating?

(4:39) This is not about the politics, it's about the physics. Bill "Engineering Guy" Hammack explains how a nuclear bomb is biult.

(1 comments)

94%VideoDec 2013

Milking cows for fuel

(1:06) Scientists at Argentina's National Institute of Agricultural Technology have found a way to harvest the methane so readily produced by cows.

94%VideoSep 2014

SciShow - Humanity breaks an ominous record

(3:31) At the end of this year, we'll have the most carbon dioxide in the atmosphere since humans began. And that is a problem, as Hank explains.

(24 comments)

94%AnimationOct 2015

Where does gold come from, and can we make more?

(4:34) Did you know that gold is extraterrestrial?

93%VideoMar 2008

Lionel Richie on helium

(1:17) Lionel Richie sings his classic hit 'Hello', only a few octaves higher.

(7 comments)

93%VideoAug 2012

How do we know the CO2 rise is man made?

(1:07) American geologist Richard Alley explains how we know the CO2 rise in the atmosphere is due to man's activities.

(26 comments)

92%AnimationDec 2012

Solving the puzzle of the periodic table

(4:19) Eric Rosado narrates the story of the periodic table, a chart of the chemical elements arranged by atomic number.

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