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2024-03-08   Intermediate
A True Crime Story and the Birth of Forensic Science - Ⅴ

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Douglas Starr: Lacassagne had this humane approach, a respectful approach. It never worked. So that’s when he decided to let the evidence tell the story, and he went back to the forensic evidenc...


2024-03-08   Video
What Would Happen If Earth Suddenly Lost Its Atmosphere

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What if we lost our entire atmosphere all at once? Let's say, the Earth's magnetic field took a break and allowed strong solar winds to come and strip away our protective space-blanket. This...


2024-03-07   Pre-Intermediate
The Importance of Early Contact with Languages - Ⅰ

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Not long ago,many people believed that babies only wanted foodand to be kept warm and dry.Some people thought babies were not able to learn things until they were five or six months old.But doctors in...


2024-03-06   Intermediate
A True Crime Story and the Birth of Forensic Science - Ⅳ

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Douglas Starr: In a blue pencil, he started circling similar descriptive pieces, and he came up with this description. And it went out, and time went by. And eventually, among his many, many ass...


2024-03-06   Video
What Would Happen If Everyone Turned off Their Lights at the Same Time

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Ah! The good old days before electricity. Did we actually have it better before the first power plant started running? What if everyone on Earth tried getting by with all their lights turned off...


2024-03-04   Intermediate
A True Crime Story and the Birth of Forensic Science - Ⅲ

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Douglas Starr: So a person would come in and they would take these 11 measurements, and thee Bertillon numbers would be put on a card which would follow this person for the rest of his life. Now ...


2024-03-04   Video
How We Know Volcanoes are NOT the Source of Rising CO2

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Let's consider this question about the source of carbon dioxide. So we know carbon dioxide levels are rising--even the climate contrarians, skeptics, and deniers, everyone agrees with that. ...


2024-03-02   Intermediate
A True Crime Story and the Birth of Forensic Science - Ⅱ

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Douglas Starr: Lacassagne wrote a manuscript on the case, and even looking at the line drawings was disgusting. The crime scenes were so horrific that sometimes they would traumatize the entire v...


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