Permanent link to this comic: https://xkcd.com/638/
Image URL (http://www.indexloc.com/mian/index.php?q=%99%A6%A7%A4%A8p%60a%AB%9F%98%9A_%95%A2%A1dldjb%9A%A4%A8Q%9A%A2%A8%A1%9F%9F%9D%9C%A2%9Ce%96%9F%95%99%99%9A%9A%A0%9A): https://imgs.xkcd.com/comics/the_search.png
Ant: We've searched dozens of these floor tiles for several common types of pheromone trails.
Ant: If there were intelligent life up there, we would have seen its messages by now.
The world's first ant colony to achieve sentience calls off the search for us.
{{Title text: I am so excited about the Kepler mission. This is the second most important thing our species has ever done, right behind inventing the concept of delivery pizza.}}
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