Curated Video
Prenatal Testing Comes With Certain Risks
The tests are used by about a third of all pregnant women in the U.S.
AFP News Agency
CLEAN : French rap star Kalash talks notoriety ahead of album release
Kalash is no stranger to controversy (Footage by AFPTV via Getty Images)
Curated Video
Why Are More Women Dying From Alcohol Use?
More women are dying from drinking alcohol, according to a recent NIH study.
Khan Academy
Khan Academy: Entropy: Embrace the Chaos
An explanation regarding the disorder and organized states that occur as energy is transferred and conserved within systems and reactions. [12:32]
Khan Academy
Khan Academy: Thermodynamic Entropy Definition Clarification
Using a reversible system to clarify the definition of entropy in thermodynamics. [15:38]
Khan Academy
Khan Academy: Introduction to Entropy
An introduction to entropy and its relationships to various states for a system. [7:27]
Khan Academy
Khan Academy: Atrioventricular Reentrant Tachycardia (Avrt) & Av Nodal Reentrant
Understand the heart conditions atrioventricular reentrant tachycardia and AV nodal reentrant tachycardia. [10:42]
Sophia Learning
Sophia: 2nd Law: Entropy
This lesson will introduce the second law of thermodynamics and define the term entropy, providing examples of entropy.
Crash Course
Crash Course Chemistry #20: Entropy Embrace the Chaos!
In chemistry, entropy is the measure of molecular randomness, or disorder. Listen to this crash course, and embrace the chaos as Hank teaches about entropy. [13:41]
Khan Academy
Khan Academy: Entropy: Embrace the Chaos
Understand the 2nd Law of Thermodynamics. Disorder is a pretty big deal in the universe and that makes it a pretty big deal in chemistry - it's such a big deal that scientists have a special name for it: entropy. In chemistry, entropy is...