Three Revolutions that Will Change Humanity

One out of 11,000 hansom cabs in London at the end of the 19th Century (Credit: Historic UK)

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Avi Loeb

Avi Loeb

3.2K Followers

Avi Loeb is the Frank B. Baird Jr Professor of Science and Institute director at Harvard University and is the bestselling author of “Extraterrestrial”.