[00:00.87] 15.Mary Lou [00:04.35]It was my first day as a newcomer to the school. [00:09.47]Past newcomer experiences had been difficult, so I was very anxious to fit in. [00:16.22]Being introduced to the class, I bravely put on a smile and took my s

发表于:2018-12-03 / 阅读(84) / 评论(0) 分类 自然百科2008年

[00:00.51] 12.Butterfly Insights [00:04.00]A marvelous lesson appeared for me just now as I was exiting through the garage. [00:10.54]As I opened the garage door, I startled a large moth, which, upon spreading its wings, [00:17.18]displayed a bright

发表于:2018-12-03 / 阅读(78) / 评论(0) 分类 自然百科2008年

Twice a year, day and night, fall into balance, lasting for nearly equal length. Known as equinoxes, Latin for equal night, they occur in March and September and along with solstices mark the changing of seasons as Earth travels around the sun. Astro

发表于:2018-12-03 / 阅读(95) / 评论(0) 分类 自然百科2008年

How do you like a behind-the-scenes look at one of the nature's most luxurious full service, hippos' spas. Our dominant male hippo customer has already arrived here at the Mezima Spring in Kenya, Africa. The carp goes right to work. It uses its wide,

发表于:2018-12-03 / 阅读(99) / 评论(0) 分类 自然百科2008年

This is Mars on Earth, a station that was built to help us learn how to live on the red planet. A group of explorers and NASA scientists are spending the next two weeks inside this habitat, trying to figure out how people will live on Mars. The NASA

发表于:2018-12-03 / 阅读(72) / 评论(0) 分类 自然百科2008年

Whether it was believed to have been a big ball of cheese home to the men in the Moon, or possess the power to turn people into werewolves, the Moon has been a perpetual source of wonder from ancient times to today. Just one quarter the size of Earth

发表于:2018-12-03 / 阅读(79) / 评论(0) 分类 自然百科2008年

Spring doesn't come easily to the Canadian Rockies. Winter never leaves without a fight. On mountainsides high above the valleys, bighorn sheep gear up for an age-old ritual. These males are bachelor rams. They are roughhousing now, but in the fall,

发表于:2018-12-03 / 阅读(74) / 评论(0) 分类 自然百科2008年

Lee Berger has spent his professional life searching for evidence of mankind's past. He is a paleo-anthropologist who with some help from National Geographic has been studying and searching for the fossil remains of our ancestors for nearly 20 years.

发表于:2018-12-03 / 阅读(75) / 评论(0) 分类 自然百科2008年

At the Cheyenne Mountain Zoo, an infant gorilla named Wumundi gets some tender loving care from a dedicated keeper and lots of attention from curious visitors. He is on with a keeper all the time 24 hours a day. Zoo spokesman Sean Anglum explains tha

发表于:2018-12-03 / 阅读(108) / 评论(0) 分类 自然百科2008年

Scientists investigating the icy waters of Antarctica said on Tuesday they collected mysterious creatures including giant sea spiders and huge worms from the murky depths. Australian experts taking part in an international program to take a census of

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There is just something about them. Maybe its the way they plow through bamboo with no regard to dinner table etiquette, or maybe its the leisurely strolls. From the outset, a pandas life appears to be pretty easy. But appearances dont tell the whole

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It's an island known for its rich cultural history and environmental treasures but human activities such as tourism and deforestation threaten some of Cubas key habitats, which is why the World Wildlife Funds Julia Langer collaborates with local part

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In Fontanelle, Italy, a large ancient cemetery with an unusual history is about to reopen. It is a place where the living try to reconnect with lost loved ones through the skulls of strangers. The site is an ancient rock quarry. Ancient Greeks mined

发表于:2018-12-03 / 阅读(66) / 评论(0) 分类 自然百科2008年

It seems these days mobile phone technology can do just about anything, even help scientists learn more about the sex life of a koala. The bellows of male koalas may sound a bit raucous, but the team says so far data appears to indicate the calls may

发表于:2018-12-03 / 阅读(81) / 评论(0) 分类 自然百科2008年

Wild life experts are trying to figure out why sick, disoriented and bruised California brown pelicans are being found in record numbers up and down the west coast of North America. The birds, some of them dead, have been spotted from Washington Stat

发表于:2018-12-03 / 阅读(68) / 评论(0) 分类 自然百科2008年

Divers in Budapest, Hungary has spent the last few weeks exploring the depth of what may be one of the biggest underground lakes in the world. The huge subterranean thermal lake was discovered in early 2008 and in a cave complex below a Turkish bath.

发表于:2018-12-03 / 阅读(93) / 评论(0) 分类 自然百科2008年

Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct

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In 1831, naturalist Charles Darwin set out on a voyage to the Pacific aboard the HMS Beagle. Darwin arrived in Brazil in 1832, and began documenting the enormous biodiversity of the rainforest of Rio de Janeiro province. In his diary, he mentions par

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Elves and trolls hold a special place in the hearts of the people of Iceland. The tradition and mythology of the countrys small folk dates back to the 10th century AD, when the first Norwegian Vikings settled on the island. Tales of elves were first

发表于:2018-12-03 / 阅读(66) / 评论(0) 分类 自然百科2008年