The Speed of Light is NOT About Light | Space Time | PBS Digital Studios

The speed of light is often cited as the fastest anything can travel in our universe. While this might be true, the speed of light is the EFFECT and not the CAUSE of this phenomenon. So what’s the cause? On this week’s episode of Space Time, Matt helps explain what the speed of light REALLY is and why it’s the cosmic speed limit of our universe!

“The Real Meaning of E=mc²”:
https://www.youtube.com/watch?v=Xo232…

“Are Space And Time An Illusion?”:
https://www.youtube.com/watch?v=YycAz…

The World’s Most Unavoidable Carcinogen

Out in the open air on a beautiful summer day, most people don’t realize that they’re bathing in the world’s most common carcinogen – the sun’s rays. Ultra violet (UV) rays to be exact. Let’s take a look at how UV rays affect your body, and the sorts of built-in chemical defense systems you’re working with to stop any potential damage.

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5 Weird Ways Plants Can Eat Animals

Why have some plants evolved to eat meat?

Follow Julian on Twitter: https://twitter.com/jhug00

Read More:
Energetics and the evolution
http://jxb.oxfordjournals.org/content…
“Carnivory has evolved independently at least six times in five angiosperm orders.”