Those links, one per line: https://news.ycombinator.com/item?id=14738010 https://news.ycombinator.com/item?id=14738010 https://news.ycombinator.com/item?id=21

Those links, one per line: https://news.ycombinator.com/item?id=14738010 https://news.ycombinator.com/item?id=14738010 https://news.ycombinator.com/item?id=21237875 https://news.ycombinator.com/item?id=21237875 https://news.ycombinator.com/item?id=18959796 https://news.ycombinator.com/item?id=18959796 https://news.ycombinator.com/item?id=19845029 https://news.ycombinator.com/item?id=19845029 https://news.ycombinator.com/item?id=14738010 https://news.ycombinator.com/item?id=14738010 http://lesswrong.com/r/discussion/lw/nk0/what_is_up_with_carbon_dioxide_and_cognition_an/ http://lesswrong.com/r/discussion/lw/nk0/what_is_up_with_car...