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Dr. Kiki breaks down the breakdown of proteins. This is one of the most important processes in cooking, the change of protein structure under extreme conditions. With proteins, structure is everything, defining their functions.
3:57
Rating:5
Views: 3,305
Added More than a year ago
Beating infectious diseases: Learn how a nationwide mobilization led by Jonas Salk eradicated polio from American society.
0:54
Rating:3.6
Views: 7,238
Added More than a year ago
Watch as liquid nitrogen instantly transforms a standard sugar and cream mixture into ice cream -- without any measurable time elapsing.
5:50
In: Food
Rating:3
Views: 4,248
Added More than a year ago
This video explains the concept of global warming, which is generally thought to be caused by human driven emissions of greenhouse gasses, such as carbon dioxide.
2:05
Rating:4.1
Views: 9,631
Added More than a year ago
George Church explains what makes us different from other species.
1:25
Rating:3
Views: 503
Added More than a year ago
Learn about the melting of the polar ice cap, and its consequences, both positive and negative.
1:31
Rating:3
Views: 506
Added More than a year ago
Why does sucking on helium make your voice sound funny? See if this question can stump Dr. Charlotte Grayson.
1:27
Rating:3
Views: 1,020
Added 4 months ago
Mercury is the smallest planet in the Solar System, and the closest to the sun. Learn more about Mercury in this short video.
1:25
Rating:5
Views: 1,343
Added More than a year ago
Steven Pinker analyzes the connection between science and religion
7:28
Rating:4.5
Views: 3,327
Added More than a year ago
What's your environmental IQ? Visit this research station in the Black Forest, Germany to watch rainwater and air being tested for acidity.
1:32
Rating:3.7
Views: 8,936
Added More than a year ago
It's inventors called it "infallible" -- but they weren't hooked up to the polygraph when they boasted of this controversial device.
2:13
Rating:3.5
Views: 2,055
Added More than a year ago
An optimistic attitude helps Dr. Yvonne Will through challenging periods. http://www.bigthink.com/thinksciencenow
1:16
Rating:4
Views: 199
Added More than a year ago
In this kid's science video learn how to make a hovercraft and use science to make it float and move.
3:01
Rating:5
Views: 370
Added 3 months ago
In these times of identity theft, terrorism, and the TV criminology craze, learn just how genetic fingerprinting occurs.
2:15
Rating:1
Views: 6,700
Added More than a year ago
Your brain is capable of more than you imagine. Learn how it adapts under pressure.
0:54
In: Health
Rating:4.5
Views: 2,590
Added 9 months ago
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2/9, 2010 by Roxana
I’ve seen all sorts of proud parents. Some parents can’t stop telling everyone how their children are so smart, wise and superior. How they learned how to read and write by themselves or at the age of 2. Some are into the looks, and tell everyone that their son will be such a heart breaker, ...