RT @CosmosMagazine: We chat to rising social media #science star, Derek Muller about his YouTube science channel @veritasium – https://t.co… 0 atbildes
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Signe Dean (2015-11-03 05:25:42) |
RT @CosmosMagazine: We chat to rising social media #science star, Derek Muller about his YouTube science channel @veritasium – https://t.co… | |