GEOLOGY

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93%AnimationSep 2012

How the planet looks without water

(1:35) The surface of the Earth would be smoother than a billiard ball if it were the same size.

(4 comments)

93%VideoMay 2014

SciShow - The deepest hole on Earth

(4:01) Hank takes you down the world's deepest hole, Russia's Kola Superdeep Borehole, a scientific drilling project to drill as deep as possible into the Earth's crust.

(2 comments)

90%VideoJan 2016

How do we know the age of the Earth?

(9:58) Geologist James Powell explains modern dating methods.

(22 comments)

88%VideoNov 2012

Curiosity Mars Rover sticks its head in the sand

(4:34) The interplanetary science lab onboard Curiosity is amazing. Mission scientist John Grotzinger describes the soil analysis capabilities of the Mars rover.

(1 comments)

88%AnimationJan 2016

History of Earth, in perspective

(3:39) The Earth is over 4.5 billion years old, a huge number that is difficult to comprehend on a human scale. This video should help put our human existence in perspective.

(17 comments)

87%AnimationMay 2014

How to date a planet

(3:20) MinuteEarth explains how scientists know the Earth is at least 4.4 billion years old.

87%VideoJan 2016

5 ways humans have changed the Earth

(4:31) Is it time to start a new epoch, the Anthropocene?

87%VideoApr 2016

How can fracking cause an earthquake?

(1:48) Columbia University geophysicist Heather Savage explains how fracking operations can cause earthquakes.

87%AnimationNov 2016

Earth 100 million years from now

(3:18) Earth's land masses were not always what they are today. Continents formed as our planet's techtonic plates shifted and collided over long periods of time.

(1 comments)

87%VideoNov 2016

Earth's history played out on an American football pitch

(4:38) The Earth is 4.5 billion years old. But how can we get our heads around such a big number?

(5 comments)

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