How do blood transfusions work? – Bill Schutt

How do blood transfusions work? – Bill Schutt

In 1881, doctor William Halsted rushed to help his sister Minnie, who was hemorrhaging after childbirth. He quickly inserted a needle into his arm, withdrew his own blood, and transferred it to her. After a few uncertain minutes, she began to recover. Halsted didn’t know how lucky they’d gotten. His transfusion only worked because he

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The Real Science of Forensics

The Real Science of Forensics

[Intro/Outro Music] Let’s talk about crime shows. In a nonstop media stream filled with reality shows, cooking competitions and whatever is happening in Westeros, police procedurals are probably as close as most of us are going to get to seeing science portrayed in prime time. And the techniques that crime fighters use to catch “bad

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The Immune System Explained I – Bacteria Infection

The Immune System Explained I – Bacteria Infection

Every second of your life, you are under attack. Billions of bacteria, viruses, and fungi are trying to make you their home. So our bodies have developed a super complex little army with guards, soldiers, intelligence, weapons factories, and communicators to protect you from…well…dying For this video, let’s assume the immune system has 12 different

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