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Maria Konnikova - Mindfulness, Deep Observation and Sherlock Holmes - YouTube
https://www.youtube.com/watch?v=UM_UX85SX3c
Maria is a contributing writer for The New Yorker online, where she writes a weekly column with a focus on psychology and science, and is currently working o...
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Black Holes and Galaxies: Professor Reinhard Genzel - YouTube
https://www.youtube.com/watch?v=ZDxFjq-scvU
Evidence has been accumulating for several decades that many galaxies harbor central mass concentrations that may be in the form of black holes with masses b...