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  • George Zaidan
How do cancer cells behave differently from healthy ones?
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This video lesson is on the details of cancer cell growth. How do cancer cells grow? How does chemotherapy fight cancer (and cause negative side effects)? The answers lie in cell division. George Zaidan explains how rapid cell division is cancer’s "strength" -- and also its weakness.

Subject:
Biology
Material Type:
Assessment
Lecture
Lecture Notes
Provider:
TED
Provider Set:
TED-Ed
Author:
George Zaidan
Date Added:
06/25/2013
Why Does Ice Float in Water?
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Water is a special substance for several reasons, and you may have noticed an important one right in your cold drink: ice. Solid ice floats in liquid water, which isn't true for most substances. But why? George Zaidan and Charles Morton explain the science behind how how hydrogen bonds keep the ice in your glass (and the polar ice caps) afloat.

Subject:
Physics
Material Type:
Diagram/Illustration
Provider:
TED
Provider Set:
TED-Ed
Author:
Charles Morton
George Zaidan
Date Added:
08/28/2019