常速英语

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Black holes have been a big problem in physics. For decades, scientists have been mystified about what happens to stuff that falls into a black hole. The quandary is called the black...

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Photosynthesis is a set of chemical reactions in which light energy is converted to chemical energy. Light energy enables the movement of electrons from molecules that donate electrons ...

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Neutron stars are one of the most extreme and violent things in the universe. Giant atomic nuclei, only a few kilometers in diameter, but as massive as stars. And they owe their existence to ...

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[SCRIBBLING] SPEAKER: Almost all life on Earth is solar powered.$#10320#$10320#$ Plants, algae, and some bacteria capture light energy from the sun and convert it to chemical energy in ...

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I started initially studying terrestrial ecology, but I stumbled into a scuba diving class where I learned to dive right here along the Monterey breakwater wall. It was a really rough day. ...

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SPEAKER: Just before his sophomore year of college, Sam Walker decided to update his contact lens prescription. Sam's vision has never been great, and he was having trouble seeing in low ...

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In nearly every corner of the earth, ants wage war against each other. Their weapons are what nature gave them. Some have strong armor, deathly stingers, or sharp mandibles. And then there's thi...

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Did you know that we spend about 90 percent of our time indoors? So why aren’t we talking about indoor air quality, especially when COVID is still spreading and so many people are being encouraged to...