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How Inge Lehmann used earthquakes to discover the Earth's inner core - 1 views

www.vox.com/...inge-lehmann

seismology geology earth's core

shared by nestamper on 13 May 15 - No Cached

nestamper on 13 May 15

In the 1930s, seismologists faced a big mystery about the inner structure of the Earth. Today, on what would have been Danish seismologist Inge Lehmann's 127th birthday, it's a good time to appreciate how - using limited data and rudimentary technology - she brilliantly arrived at the answer.

<div class="cArrow"> </div><div class="cContentInner">In the 1930s, seismologists faced a big mystery about the inner structure of the Earth. Today, on what would have been Danish seismologist Inge Lehmann's 127th birthday, it's a good time to appreciate how - using limited data and rudimentary technology - she brilliantly arrived at the answer.</div>

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Your life on earth - 3 views

www.bbc.com/...20141016-your-life-on-earth

resources population

shared by nestamper on 16 Oct 14 - No Cached

nestamper on 16 Oct 14

Explore BBC Earth's unique interactive, personalised just to you. Find out how, since the date of your birth, your life has progressed; including how many times your heart has beated, and how far you have travelled through space.

<div class="cArrow"> </div><div class="cContentInner">Explore BBC Earth's unique interactive, personalised just to you. Find out how, since the date of your birth, your life has progressed; including how many times your heart has beated, and how far you have travelled through space.</div>

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