蜗牛可以记得“回家”的路。THE snail (蜗牛) is a very simple animal. Scientists say they cannot find their way home... and watched how they moved. She found that the snails could find their home. They traveled a long way ……

The string-like animal is the longest in the world. TNSThe string-like animal is the longest in the world. TNS世界上最长的动物是什么？世界上最长的动物是什么？What’s the longest animal in the world? A whale? It might ……

Ocean. That’s the longest period of time anyone has ever spent there. They came back in October... for scientists to do research. Starting from the 1920s, scientists around the world began to explore  ……

人类为什么探索极北之地？人类为什么探索极北之地？The Arctic is freezing1 cold. But it is a good place for scientists to do research. Starting from the 1920s, scientists around the world began to explore2 and study this icy ……

in the Pacific Ocean (太平洋) . This is the longest journey ever made by a whale shark, scientists say. Good job, Anne! Did you know?Whale sharks travel to find food or to find a place to give birth ……

堆遗址). It’s over 150 kilograms and as tall as one meter. It’s the largest ever bronze animal found.... It’s the largest ever bronze animal found there. This big guy has a large mouth, long ears and short legs ……

克隆技术让灭绝物种起死回生？词数 270 建议阅读时间 5分钟 课件及教案见网站 测试见7版HAVE you ever wondered what an extinct (灭绝的) animal... animal has the same DNA as the original one. Scientists have done this before. For example, in 1996 ……

There is an animal in each picture. Can you find it? ……

蔡依林变身会跳芭蕾的蝴蝶。
times without stopping! "It was the longest time it's ever taken me to learn a move, " she said.Name: Jolin TsaiBirth date: Sept. 15, 1980Height: 161cmWeight: 41kgFavorite animal: dogFavorite flowers ……

there is very little difference in the population of Iceland’s genetics, scientists can find genetic variants...Iceland's DNA checked冰岛发布人类基因组数据。IT is not unusual for scientists to study the DNA of an individual ……

, the biggest animal on Earth, to the tiniest fish, no bigger than a mosquito (蚊子). It is home to both the hard-shelled sea turtle and the soft jellyfish (水母). Scientists say that there are more than 1 ……

. This is the smallest model animal ever made. Scientists said that the creation of "micromachines" would ……

to laugh is to tickle (挠痒痒) them.In the beginning, scientists studied rats for another reason. They wanted to find the part of the human brain that controls laughing. However, they found that when ……

Longest time standing on a gym ball健身球上站得最久的人It’s hard to stand on a gym ball. But Ashrita Furman from the US stood on it for more than five hours in 2010. This is the longest time ever! Amazing! ……

仪), you’ll find that most parts of it are blue. That’s because over 70 percent of the Earth’s surface... oceans.Lots of animals live in the ocean, from the blue whale, the biggest animal on Earth ……