

RIP Granny the oldest Orca - Graphene + Silly Putty - Moving a Giant Magnet - Space in 2017
The world's oldest known killer whale is presumed dead. At an estimated age of 100 years, 'Granny' was last seen with her family in October. The scientists who've followed her and her pod for four decades announced that they believe she has died somewhere in the North American Pacific. Adam Rutherford talks to…
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