When solving a design problem, you can sometimes look to nature for a solution. One of the early examples is the study of birds to enable human flight. The Wright brothers got their inspiration fromobservingpigeons in flight, and in 1903 successfully obtained a patent for their designs for th...
By noon, I wandered through the Confucius Temple area. The smell of roasted duck and sesame pancakes filled the air as vendors called out from street stands. I tried a bowl of tangbao (soup dumplings), burning my tongue in my haste—a humorous reminder to slow down. Nearby, an elderly ...
This is a painting called "Palisades." It shows what once used to live up along the Hudson River, north of New York City.这是一幅名为 《帕利塞兹》 (Palisades)的画。它展示了曾经生活于 纽约市北部哈德逊河沿岸的生物。 I actually built it to help fund a new park in Guatemala. 我当时创作...
Alfie became the owl she was born to be when she left our protection for the risks and rewards of free agency. She and her mate raised three baby birds that first year, building new links in the great chain that has gone unbroken — so far — for millions of owl generations. ...
The warming of the earth is the reason for the decrease in the number of penguins. The heating of the air has caused ocean waters to become warmer. Higher water temperatures have reduced the supply of fish and krill. Some years later these birds are completely unable to reproduce(繁殖). ...
were very friendly to everyboady,even to the birds ? Though the old couple never said a word to me ,I knew that they were very sad. ”可 知,老夫妇是善良的。 故选 A。 28. B 【解析】词义猜测题。 根据 “Though the old couple never said a word to me,I knew that they were very...
1. On the internet: an APP called Merlin that will listen to the birds singing nearby and identify them by their calls. Such fun to hear an Eastern bluebird, for example, in the trees behind our house, and then spot his bright blue and peach feathers glowing in the late afternoon sun....
‘lovebird’, as some of the smaller ones were called. Sometimes these birds became great talkers, or ratherimitators, and would learn to recitemantras(religiouschants), orscoldingsto the children of the house, such as "Parho beta, parho." (Study child, study.) Or for the benefit of ...
Birds fly by flapping their wings and using air pressure(压力)to create lift under their wings. Just like airplanes do. The peregrine falcon is one of the fastest birds. It can reach speeds of over 100 miles per hour when diving. Feathers are important to birds because they keep them warm...
A new study may cast light on the answer. A team of researchers found that birds evolved (进化) to fly due to changes in the part of the brain called the cerebellum (小脑), which is responsible for motor control and physical movement. For the study, scientists from Stony Brook ...