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科学研究   常速英语

2024-01-26   Video
What Would Happen If The Sun Was Smaller Than The Earth

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Imagine you were able to shrink the Sun to the size of a basketball. At that point, the Earth would be reduced to the size of a sesame seed. That's how massive our star is. But what if th...


2024-01-20   Video
You Are Immune Against Every Disease

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You are not a person, you are a planet, made of roughly 40 trillion cells. There is so much of you, that if your cells were human-sized, you would be as big as 20 Mount Everests. For you...


2024-01-16   Video
What Would Happen If All of the Volcanoes on Earth Erupted at Once

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What if one day you turned on the news channel to see this... Breaking news... ...volcanic eruption... ...already caused 2 million casualties... ...all airports are closed... If all th...


2024-01-14   Video
Can You Fix Climate Change

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Never before in human history have we been richer, more advanced or powerful. And yet we feel overwhelmed in the face of rapid climate change. It seems simple on the surface. Greenhouse gas...


2024-01-12   Video
Vera Rubin Lives On in Lives of the Women She Helped in Astronomy

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Johanna Teske: Ok, this is a spectrum. Teske: Vera Rubin means a lot to a lot of astronomers. This was one of the instruments that she used to help discover the presence of dark matter, which we no...


2024-01-08   Video
What Would Happen If You Stopped Sleeping

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Wake up! Are you late again? Sometimes we wish we never had to deal with this morning struggle... But what if you just never went to bed? What if you figured out how to keep yourself awa...


2024-01-06   Video
How The Immune System Actually Works

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The human immune system is the most complex biological system we know, after the human brain, and yet most of us never learn how it works. Or, what it is. Your immune system consists of hun...


2024-01-04   Video
The Mysterious Microbes in the Earth's Crust

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If you look at it one way, we’re the two worst people to work together our disciplines are the two worst. But I think any time you find people in two different disciplines that don't normally...


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