http://www.reddit.com/user/NicheNietzsche
NicheNietzsche122 karma2013-05-14 00:12:54 UTC
Hi Dr. Krauss,
What do you think is the biggest obstacle humanity will have to overcome in the next 50 years?
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NicheNietzsche122 karma
Hi Dr. Krauss,
What do you think is the biggest obstacle humanity will have to overcome in the next 50 years?
View HistoryShare Link