【NPR新闻】咖啡的神奇作用(2/3)
概述：咖啡能提高蜜蜂们的记忆能力，那对于人类呢？Hints:
proboscis
Stevenson
http://t1.g.hjfile.cn/listen/201303/20130309123840156728.mp3The smell came from flowers, the proboscis is the bee's long, hairy tongue used to suck up the nectar.
Now, in the study, Stevenson wanted to see whether the bees would respond differently to flowers that contained a caffeine rich nectar, compared to those that had just sugary nectar.
We found that when they were taking sugar nectar with caffeine, they were three times better able to remember the flowers a day later than bees that were feeding on to sugar alone.
So could this mean that a caffeinated bee has a better memory?
That's exactly what the study shows. We were very surprised by it, but obviously we were also very excited because it shows that bees are better able to remember a flower. And, of course, for a bee this makes it better able to locate food.
Which is obviously a big plus in life.
Now, some researchers wonder if bees simply prefer caffeinated nectar. But whether it's improving their memories or making them more motivated to seek it out, it's intriguing that caffeine could be giving bees the same kind of buzz that people get.
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