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科学研究   

2022-05-12   Video
The Fate of Fat

Keywords:

And Francis (Crick) is known for his discovery, along with Jim Watson, of the structure of DNA. And he would occasionally indulge in a double bacon cheeseburger from Jack in the Box. A...


2022-05-11   British English
Urban Brains Behave Differently from Rural Ones

Keywords:

Science and Technology. Mental well-being. A New York state of mind. Urban brains behave differently from rural ones. “HELL is a city much like London,” opined Percy Bysshe Shelley in 1819. Moder...

科学和技术 心理健康 纽约人的精神状态 城市人的大脑异于乡村 1819年,波比·雪莱认为“伦敦市更像一个地狱”。现代学者同意这个观点。荷兰研究人员研究表明,城市居民相对稳定的乡村同胞来说,得焦虑症的概率高出21%,得心理障...


2022-05-10   Intermediate
Birds, Habitat Conservation & Environmental Economics

Keywords:

Steve: Dr. Wells, great to talk to you. Wells: Thanks Steve. It's great to be here. Steve: And here is Central Park. Why don't we spend just a minute talking about Central Park and its role in the w...


2022-05-10   Video
The Beginning of Everything - The Big Bang

Keywords:

The beginning of everything. The Big Bang. The idea that the universe was suddenly born and is not infinite. Up to the middle of the 20th century, most scientists thought of the universe ...


2022-05-08   Intermediate
Arachnids and Altruism

Keywords:

Steve: Hi to both of you. Weber: Hi, Steve. Binford: Hi, Steve. Thanks for having us. Weber: Thank you. Steve: Sure, good to talk about. We're going to talk about spiders, which are really...


2022-05-08   Video
What Is Life

Keywords:

Life is fundamentally different from dead stuff—or is it? Physicist Erwin Schrödinger defined life this way: Living things avoid decay into disorder and equilibrium. What does this mean? ...


2022-05-06   Intermediate
Do Dietary Guidelines Actually Contribute to Obesity

Keywords:

Steve: Dr. Marantz, good to talk to you today. Marantz: Hi, Steve. Steve: Very interesting paper you have here, "A Call for Higher Standards of Evidence for Dietary Guidelines." Let's cut right ...


2022-05-04   Video
Building Blocks of DNA

Keywords:

A, C, G, and T. Adenine, cytosine, guanine, and thymine. These are the four chemical building blocks of the DNA molecule. They are components of nucleic acid, which gives DNA its ton...


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