My Evening With Stephen Hawking

How Old Is Life On Earth, And How Do We Know?

Cara Santa Maria 05.22.2012

The Earth is 4.54 billion years old; 3.8 billion years ago, the very first life form came into existence; 225 million years ago, dinosaurs...

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WATCH: Is Stem Cell Treatment As Advanced As You Think?

Cara Santa Maria 05.21.2012

In the future, stem cells may hold the key to treating some of mankind's most challenging diseases. Unfortunately, the future is not now....

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A Real-Life Doctor Frankenstein?

Cara Santa Maria 05.15.2012

Giovanni Aldini may not be a household name, but his contributions to science cannot be ignored. Neither can his macabre demonstrations...

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How To Make A Digital Human

Cara Santa Maria 05.11.2012

Have you ever wondered just how they make digital characters like Benjamin Button? Apparently, the trick is all in the lighting.

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Is Cannibalism Good For You?

Cara Santa Maria 05. 8.2012

Is eating people dangerous? Nutritional? Healthy? What actually happens, physiologically, when human flesh is consumed?

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WATCH: Liberal, Conservative: Are You Born That Way?

Cara Santa Maria 05. 4.2012

Do we have traits that can be used to reliably predict whether someone is liberal or conservative in nature?

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WATCH: Asteroid Mining, The Republican Brain, Science Education On 'The Point'

Cara Santa Maria 05. 3.2012

I was recently invited to guest host "The Point," presented by "The Young Turks'" YouTube channel, TownSquare. As the Science Correspondent...

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WATCH: Virtual Humans In The Wild Wild West

Cara Santa Maria 05. 3.2012

Have you ever had a conversation with a computer that wasn't one-sided? Virtual humans are the newest attempt to cross the uncanny valley...

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WATCH: Does Prayer Work?

Cara Santa Maria 04.30.2012

An overwhelming 83 percent of Americans say that God answers prayers--which raises the question, does prayer work? Is it something that...

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WATCH: Is The Internet Changing Your Brain?

Cara Santa Maria 04.25.2012

Is the internet bad for our brains? Is it affecting our ability to remember things, form meaningful relationships, or make decisions?

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WATCH: Next Steps For Virtual Reality

Cara Santa Maria 04.20.2012

The worlds we can now enter with virtual reality technology are so stunningly authentic, it's hard to tell where true life ends and the...

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WATCH: It's 4/20, Time For Stoned Science

04.13.2012

I reached out to Dr. Igor Grant, the director of the University of California Center for Medicinal Cannabis Research to get a scientific...

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WATCH: Does Gender Define Us?

04.13.2012

What makes us male or female? What happens when our biological gender is out of sync with our gender identity?

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New 'Monkey Law' Imperils Science In Tennessee

Cara Santa Maria 04.12.2012

We live in the 21st century, the century of biotechnology. Without an appropriate understanding of evolution, students will be at a disadvantage...

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