资讯

来自MSN15 天
All About Bird Wings and Flight Feathers
The Wright Brothers studied bird flight before they designed the first airplane. Now modern aircraft fly higher and faster than any bird, yet no manufactured device matches the graceful movements ...
CBC.ca21 天
Bird flu is hitting the U.S. hard. Now, migratory birds are flying north
(Dominique Faget/AFP via Getty Images) Bird flu is at a dangerous point in the United States: Nearly 167 million birds have been impacted by the H5N1 strain since 2022, and 70 people have been ...