D*****r
发帖数: 6791 | 1 Letters from the Earth
When the Creator had finished thinking, He said, "I have thought. Behold!"
He lifted His hand, and from it burst a fountain-spray of fire, a million
stupendous suns, which clove the blackness and soared, away and away and
away, diminishing in magnitude and intensity as they pierced the far
frontiers of Space, until at last they were but as diamond nailheads
sparkling under the domed vast roof of the universe.
At the end of an hour the Grand Council was dismissed.
They left... 阅读全帖 |
|
s********n
发帖数: 1124 | 2 Studies show that the housefly uses a compound called treahlose to give it
the energy for flight.
The study in the link shows that a housefly allowed to fly for 4.5 hours,
when fed treahlose was able to fly again with being forced to, so it appears
to depend on its access to this energy source.
It also states that flies who did not have access to treahlose were unable
to fly after flight exhaustion.
I've often wondered how long I'd need to chase a fly around a room before it
dropped dead. If it ... 阅读全帖 |
|
i*****s
发帖数: 15215 | 3 发信人: salvinorin (salvinorin粉丝), 信区: WaterWorld
标 题: Re: 我不停的赶苍蝇，不让它落地，能把它累死吗？
发信站: BBS 未名空间站 (Wed Aug 22 17:13:51 2012, 美东)
Studies show that the housefly uses a compound called treahlose to give it
the energy for flight.
The study in the link shows that a housefly allowed to fly for 4.5 hours,
when fed treahlose was able to fly again with being forced to, so it appears
to depend on its access to this energy source.
It also states that flies who did not have access to treahlose were unable
to f... 阅读全帖 |
|
|
|
W***n
发帖数: 11530 | 6
security
I'm impressed by a housefly's visual sensor. If someone pay me enough (
enough to survive), I might jump on it. Hahaha |
|
