Finding Alien Life: Avi Loeb on Investing Dollars in the Search

How can we improve our search for life in the universe? In this video, Dr. Avi Loeb, Professor of Science at Harvard University, explains how billions of dollars of funding is going towards understanding dark matter. However, he believes that funding would better be spent in the search for technological signatures of alien civilizations. He describes how our current search for life in the universe consists of listening for radio signals, but there is a chance that we missed a signal by not listening at the right time.