Hacker News
- “Alcohol and caffeine created civilization” http://www.usatoday.com/story/opinion/2017/02/28/alcohol-caffeine-coffee-evolution-humans-column/98210372/ 146 comments
Linked pages
- Our 9,000-Year Love Affair With Booze http://www.nationalgeographic.com/magazine/2017/02/alcohol-discovery-addiction-booze-human-culture/ 16 comments
- How Caffeine Evolved to Help Plants Survive and Help People Wake Up - The New York Times http://www.nytimes.com/2014/09/04/science/how-caffeine-evolved-to-help-plants-survive-and-help-people-wake-up.html 15 comments
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