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Are Humans Still Evolving?
Are humans still evolving? And how have our technological advances affected the process?
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How Big is the Solar System?
Austin's famous moontowers put the enormity of our solar system into perspective.
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Why Do We Go to Space?
At first space travel was fueled by fear, but then the space shuttle changed everything.
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Do the Nobel Prizes Still Make Sense in the 21st Century?
The controversial history, present and future of the Nobel Prizes.