Ants are simple creatures. They live by simple rules: if you see a scrap of food, pick it up; if you see a pile of food, drop the food you are carrying. Out of such simple behaviour, an ant colony ...
From helicopters to a human cell, a fascinating illustrated guide to the science and technology of everyday life XKCD, the “webcomic of romance, sarcasm, math and language” written for the past 10 ...
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