Teen Skepchick’s Reality Checks 11.21

• Should we use the word ‘mankind’ or ‘humanity?’ (via io9)
• What should a science teacher say to a creationist student? (via Scientific American)
• New discoveries could shed light on dark energy. (via Phys.org)
• A giant planet has been found that defies definition. (via Bad Astronomy)

Featured image credit: University of Michigan MSIS

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