含中文字幕节目   

Keywords:

‘Happy are the people who understand my strange step, when walking, and my heavy hands. Happy are the people who know that my ears need strengthening to understand what is said. Happy are the people...

Keywords:

Graber: You're known for your research in nutrition and its impact on different health outcomes, and you've already written a book about health and nutrition, and I was wondering did you write a book ...

Keywords:

Here we're going to go through quickly the early stages of development again. And then we're going to get to this stage when the germ layers are set aside. The three germ layers, the ...

Keywords:

Tsunami is a two-character Japanese word."Tsu" means "harbor," and "nami" means "wave." So, the Japanese call tsunamis, "harbor waves." Tsunamis happen after an earthquake strikes,either near or under...

Keywords:

Electronic education. Flipping the classroom. Hopes that the internet can improve teaching may at last be bearing fruit. THE 12-year-olds filing into Courtney Cadwell’s classroom at Egan Junior H...

Keywords:

Steve: There's an interesting kind of overarching futuristic theme here. Rennie: Yeah, I think a lot of articles in this issue, somewhat by coincidence more than design, really have to do with a lot ...

Keywords:

Human society is extremely complex and fragile, built upon various pillars. One of them is the honey bee. One out of three meals eaten by humans is made possible by honey bees. They are ...

Keywords:

When Owen was born, his mother, Janice, took many pictures of him. Her camera was always busy! She took pictures of Owen wearing funny hats. She took pictures of Owen taking a bath. She took pictures ...