wisdom of crowds
lgs0a at yahoo.es
Mon Jun 28 04:26:51 PDT 2004
A couple of days ago I learnt about bees and temperature.
When the temperature rises, each worker-bee feels it's too hot and
starts flapping its wings. (When it's too cold they gather near.)
- each bee is sensitive to different temperature threshold. This
difference is genetically determined.
- there's just one queen and 10-30 "fathers", so there's a mixture of
sensitivities. Part of the bees feel it's too hot sooner than others,
with a range of thresholds.
Now the most interesting part:
- a natural mixed population keeps the collective temperature with
- an artificial population, selected so that all the bees have the same
father, has much greater oscilations.
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