Why didn't the mosquito was raindrops hit to death? 600字高中英语作文

　　Walking in the rain for people, may be a romantic and comfortable, but for volume tiny insects, such as mosquitoes, walking in the rain was a disaster. The weight of a drop of rain can be up to 50 times as many mosquitoes weight, people called the drizzle in the mosquito's view, as a concrete beetle cars from the sky. However, in the rain "beetle", mosquito can unscathed, what reason is this?

　　For solving this puzzle, the Georgia institute of technology professor David hu in collaboration with the United States centers for disease control and prevention, high-speed video of dancing in the rain of the mosquito, to observe the behavior of the mosquito is raindrops hit the moment.

　　Through video, professor David hu and his team analyzed the situations from different parts of the raindrops hit the mosquito, calculate the mosquito by the raindrops hit the moment of force, and then moving down with rain and distance. They found that the mosquito is not to avoid the rain, as one might speculate also won't injured by by the impact of raindrops, one of the secret lies in the mosquito light weight.

The bird's password

　　When there is a bird in the shell to learn the family's password, wrong, there is no food.

　　South Africa's east coast grows a local plant, called the pink flowers. As the name suggests, this kind of plant is pink petals, looks like a rose, so also known as the sea rose. The sea rose flower is yellow, very bright, but looked very full. Stamens of stigma, in fact, it is also true that with pollen, it should be the insects that feed on the pollen's favorite.

　　However, carefully study the flower, you will find that they actually tightly intertwined, forming a knot, almost can't open it, without external force to the inside of the pollen. Because of this reason, off the coast of South Africa's most insects do not patronize the sea rose, only except wood bees, they landed on the sea roses, after the open wings to tighten, then forced vibration, strange to say, when they do, profoundly intertwined with the original of the blossom will burst open and hides the stigma pollen may also be sprayed, for wood bees to enjoy.

　　So, what is how to fool some Jin Juan Jiao warbler's? Professor Karen madoff found that Jin Juan young wu is a thief, they have kept demo different cries, if lucky guess, they will be successful.