英语听力：2013-12-20 地平线：什么害死了我们的蜜蜂—13（在线收听） |
One thing that excited him for many years is just how advanced their communication is, especially their famous waggle dance, returning from a foraging trip, this bee is telling its coworkers precisely where she found her pollen. They just use the body to inform the others about any important place ought to feed, on the flower or pollen place.
As she cycles the bee repeatedly waggles during one phase of her dance, here walking straight upwards.
It is this phase which codes the direct relative to the sun and the distance.
Walking upwards while she waggles tells the other bees to head towards the sun, the number of times she moves from side to side tells them how far to fly, the brain controlling this sort of behaviour is clearly rather sophisticated.
This kind of cockiness also requires the highest order of * in this little brain, that means anything which is * on this fine * should have a high impact.
With the radar technology, Randolph and his team have been investigating whether neonicotinoids could affect bees' brains, they are testing their ability to find their way home after feeding.
This self feeding place that means bees have been trained from the hives, and we train them stepwise to this location. |
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