In 1912, Antarctic explorer Captain Lawrence Oates willingly walked to his death so that his failing health would not jeopardise his friends' odds of survival. Stepping from his tent into a raging blizzard, he left his men with the immortal words, "I am just going outside and may be some time." It was a legendary act of heroism but one that is mirrored by far tinier altruists on a regular basis - ants.
Like Captain Oates, workers of the ant species Temnothorax unifasciatus will also walk off to die in solitude, if they're carrying a fungal infection. In fact, Jurgen Heinze and Bartosz…
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