Will We Know ET When We See It? by Tina Hesman Saey | Free Audiobook

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Title: Will We Know ET When We See It?
Author: Tina Hesman Saey
Narrator: Jamie Renell
Format: Unabridged
Length: 18 mins
Language: English
Release date: 04-20-16
Publisher: Science News
Genres: Science & Technology, Magazine & Radio

Summary:
Recognizing life on different worlds isnt likely to be simple, especially if the recipe for life elsewhere doesnt use familiar ingredients. There may even be things alive on Earth that have been overlooked because they dont fit standard definitions of life, some scientists suspect. Astrobiologists need some ground rules - with some built-in wiggle room - for when they can confidently declare, Its alive!
"Will We Know ET When We See It?" is from the April 30, 2016 issue of Science News.

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