The Science of Screaming
In The Science of Screaming, learn how and why humans scream. Discover the biological mechanisms behind screaming, such as the role of the larynx and vocal cords, and why certain sounds can be louder or more intense than others. Meet Jill, who learned she had an incredibly loud scream when competing in a Halloween scream competition. This video is excerpted from BBC’s The World’s Most Extraordinary People, a documentary series revealing how rare medical conditions inspire groundbreaking scientific discoveries.
Lesson Express
Q: How did Jill discover she had a loud scream?
A: Jill learned she had a loud scream when she competed in a Halloween scream competition where her scream was measured.
Q: What determines how loud a scream can be?
A: The loudness of a scream is determined by how fast the vocal cords vibrate and the force with which air is pushed through them.
Q: Why do humans scream?
A: Humans scream to gain attention, express fear or surprise, or respond to emotions that trigger an intense physical reaction.