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94%VideoDec 2014

It's OK To Be Smart - There was no first human

(4:07) There was no first human. It sounds like a paradox, but it's the key to understanding how evolution works.


88%VideoJan 2015

The science of climate change in 24 easy steps

(6:19) Learn the basic science of climate change in 24 easy steps.


88%VideoSep 2015

Theory vs Hypothesis vs Law, think you know the difference?

(7:11) Some who attack evolution by natural selection claiming "it's just a theory". But "theory" in science means something different.


88%VideoSep 2016

What is really warming the Earth?

(6:03) It's hard to argue that Earth isn't heating up, but what is really causing the temperature rise?


87%VideoJul 2015

Will we ever run out of oil?

(5:10) Is the end of the oil age coming quick enough?

87%VideoOct 2016

Why don't ants get stuck in traffic?

(6:57) With over 1 billion cars in the world, why do we suffer traffic jams when ants, numbering in the trillions, don't?

87%VideoJul 2017

Is space a thing?

(8:49) Space was a thing, then it wasn't, then it was - so what is it?

87%VideoOct 2017

It's Okay To Be Smart - Doomsday Machines

(6:51) Since 1945 the world has not fought with nuclear weapons, which means you probably don't understand the real devastation these weapons can unleash.

87%VideoOct 2017

It's Okay To Be Smart - Talk with your inner climate conscience

(5:52) Comforting climate change words from Al Gore.

87%VideoOct 2017

It's Okay To Be Smart - A brief history of time

(6:13) Why is it what time it is?