For scientists have discovered that old bees have trouble finding their way to new hives as their learning behaviour becomes increasingly inflexible.
不只是人类会迷路。因为科学家已经发现年长的蜜蜂在寻找通往新蜂巢的路时也有困难，而且它们的学习能力也日趋板滞。
To test how old bees adapt to a changed home location, researchers trained bees to a new nest box while their former nest was closed off.
“老年”蜜蜂开始飞往“老家”地址，尽管它们之前接受了识别“新家”的训练。
老蜂不酿蜜。
老蜂不酿蜜。
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