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。

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New research has shown yet again that the rapid development of the brain during the early months and years of life is crucial and influences learning, behaviour and health throughout the life cycle.

新的研究再次显示，大脑在头几个月的快速发育对人体来说十分关键，并且能够影响人的一生的学习、行为和健康。

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California-based Nest Labs, founded by two former Apple executives, produces a thermostat capable of learning user behaviour and working out when a building is occupied or not, using temperature, humidity, activity and light sensors.

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Dr Belton, who is an expert in the impact of emotions on behaviour and learning, said boredom could be an "uncomfortable feeling" and that society had "developed an expectation of being constantly occupied and constantly stimulated".

BBC: Children should be allowed to get bored, expert says

The case has prompted criticism from experts, campaigners and families who argue private hospitals such as Winterbourne View are the wrong place to look after people with learning disabilities who display challenging behaviour.

BBC: Man on bed