英语听力：2013-11-27 地平线：什么害死了我们的蜜蜂—3

-So you had a tough year.-We have got that, yeah. It's been an incredibly bad winter, and that's companed with probably the worst summer we ever have had as well, last year. -So these boxes should be out, full of bees working. -Yeah, they have been b

英语听力：2013-11-29 地平线：什么害死了我们的蜜蜂—4

The thing is bees are very sensitive to the weather. If the temperature falls below fourteen degrees or if it rains they just won't leave the hive. The nectar of the flowers is also temperature dependent. So if it's cold, there will be less nectar an

英语听力：2013-12-01 地平线：什么害死了我们的蜜蜂—5

-Do we have any fruits?-No fruits. There's no fruits available today. -Perhaps some tomatoes? -Tomatoes? No, no. Absolutely no tomatoes. It's fruit pollinated by bees. Like it, enjoy your meal? -No, it's little bit dry, though. -Bit bland. -OK. You m

英语听力： 2013-12-04 地平线：什么害死了我们的蜜蜂—6

The first step is to try to really understand the enemy. Poor little bee. So Jean, where is it on this bee that? Ok. I think if you looked even with a naked eye. Just to the side of the abdomen. Yes, oh, on the belly there. That grape red colored. Ok

英语听力：2013-12-11 地平线：什么害死了我们的蜜蜂—9

And here it is, the flight of the humblebee. This is what's called its exploratory path. The routine takes its circles around the hive for the first time. Over several days it's built up a mental map more than 10 square kilometers around the hive. Th

英语听力：2013-12-06 地平线：什么害死了我们的蜜蜂—7

Thankfully the micro s* can be treated, but when you look more closely, you can see what could be the real cooperate, a virus.-Here are the virus particles. We are looking at these particles at about 40,000 times magnification. Obviously, they will b

英语听力：2013-12-08 地平线：什么害死了我们的蜜蜂—8

-How does it work then? There are millions of insects out there in the air you sweeping. You target specific individuals.-That's right, so we have an individual honey bee which will be carrying this very small fine container on its back. And that's t

英语听力：2013-12-29 地平线：什么害死了我们的蜜蜂—17

-There are at least pieces of evidence which show really serious impacts from levels of neonicotinoids that bees, wild bees could be exposed to in wild environment.And the arguement against the ban was laid out by one of the pesticide manufacturers.

英语听力：2013-12-25 地平线：什么害死了我们的蜜蜂—15

As the bee is trying to find her way home, she is tracked by the radar. She flies on auto pilot 500 meters northwest. She gets to where she thinks the hives should be, but of course it's not there, she has to use a different navigation system to find

英语听力：2013-12-27 地平线：什么害死了我们的蜜蜂—16

Over 2 years of study, Randolf has shown that these doses neonicotinoids do affect bees' higher cognitive processes, especially their memory of the landscape around them.-We tested about 200 bees, both controlled bees and pestcide-treated bees, and w

英语听力：2013-12-22 地平线：什么害死了我们的蜜蜂—14

-You catch it the moment I see it, put it into a container like this, which contains 15 milligram of so-called solution.The bees are fed one of two different solutions. -We have c** which are fed with pesticide. We develop it in the circle solution a

英语听力：2013-12-13 地平线：什么害死了我们的蜜蜂—10

And each time the radar switch past, a white mark reveals the position of the bee.-OK. Bees're coming back. The five bees are coming back. The radar records each excessive loop the bee makes until she returns safely to the hive. -Bees at hive. Bees a

英语听力：2013-12-15 地平线：什么害死了我们的蜜蜂—11

-So these look terribly small, almost mistaken as mosquitoes.-Yeah, we could do, but I see them that they got two pairs of wings. -And actually they are proper bees. How did you find them be there? -So... Well, essentially it's the h* so these small

英语听力：2013-12-18 地平线：什么害死了我们的蜜蜂—12

Our second suspects, pesticides, are the most controversial. This year the European commission analyzed the two-year-ban on the use of called Neony Cortenoise. They said the evidence now showed that they were in unacceptable danger to bees feeding on

英语听力：2013-12-20 地平线：什么害死了我们的蜜蜂—13

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 bod