Specifically,
they were supposed to move from their existing dwelling to a new “house”—one of two pieces of hollowedout wood, one of which was darker than the other. And if you're an ant, darker is better.
When they were hunting as a group, the ants made their choice by checking out the two houses.
When the difference
between the two houses was significant, the group of ants tended to make the wrong decision more often than an individual
ant househunting by himself.
“Out of 100 ants evaluating a poor nest,10 of them start bringing nestmates to the poor nest without visiting the other
nests.
The ants who rejected it eventually find the other nest and compare, but by that time, the ‘rash decisionmaking’ ants have already recruited many nestmates from the home to the poor nest, so the ‘careful decisionmaking’
ants may not
contribute much to the colony's decision.”
Personally,
these ants reminded me of soccer riots(骚乱),
mass attacks, or even the decision to join terror groups. We can sometimes be fooled into making an extremely poor choice - even when a much better alternative is clearly available—simply because those around us have made rash decisions and we're following their lead.
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