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They\u2019re heeeere! Yes, aliens are wreaking havoc and destruction throughout the land. But these aliens are Arizona beetles, and the land is in California, where the invasive insects are a serious problem.\nAnd what of space-faring aliens? We have those too: how to find them, and how to protect our planet \u2013 and theirs.\nFrom Hollywood to SETI\u2019s hi-tech search for extraterrestrials, aliens are invading Are We Alone?\nGuests:\n\n\nPaul Davies - Physicist and author of The Eerie Silence: Renewing Our Search for Alien Intelligence\n\n\n\nFrank Drake- Senior Scientist, SETI Institute\n\n\nAndy Ihnatko - Journalist and tech blogger\n\n\nMargaret Race - Biologist and Principal Investigator at the SETI Institute\n\n\nMargaret McLean - Director of bioethics at the Markkula Center for Ethics, Santa Clara University\n\n\nMark Hoddle - Biological Control Specialist at the University of California, Riverside\n\n\nVanessa Lopez - Graduate student in entomology, University of California, Riverside\n\nDescripci\xf3n en espa\xf1ol\nLearn more about your ad choices. Visit megaphone.fm/adchoices