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12. Holding a thumbtack in your hand as you read this should heighten this anticipatory response.

Holding a thumbtack in your hand as you read this should heighten this anticipatory response. [insert image of a thumb tack] purely physical.

4 years ago

Latest Post Protected Areas and Conservation by Dr. Hannah Ritchie public

Holding a thumbtack in your hand as you read this should heighten this anticipatory response.

[insert image of a thumb tack] purely physical.

Daniel Sanderson

Published 4 years ago