Are We A Mass Extinction Event Sciencey

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=Lw-hTF2EvWk

Scientists have discovered five mass extinction events in our geological records. Some now fear we're in the middle of the next one. Dr Niraj Lal goes on a bromantic trip to the zoo with Professor Tim Flannery to explore. • Watch Catalyst on ABC iview: http://iview.abc.net.au/programs/cata... • • SUBSCRIBE: http://ab.co/CatalystYouTube • • About Catalyst: • Catalyst is Australia's flagship science documentary program, showcasing Australian and international stories that impact us all. With our exciting mix of science genres, presented by top scientists and experts, viewers are exposed to extraordinary topics, discoveries, observations, and philosophies that shape our world. The viewer will be left inspired, activated, and in awe of this extraordinary planet. • • Connect with other Catalyst fans: • Visit the Catalyst website: http://www.abc.net.au/catalyst • Like Catalyst on Facebook: / abccatalyst • Follow Catalyst on Twitter: / abccatalyst • • This is an official Australian Broadcasting Corporation YouTube channel. • ******** • Contributions may be removed if they violate ABC's Online Conditions of Use http://www.abc.net.au/conditions.htm (Section 3).

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