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It’s Okay to Be Smart

So You Want to go to Mars?

Video duration: 8:17

Can't wait to get into outer space? Well there's a bit you need to know first... Spending time in zero gravity can have some pretty extreme effects on the human body. Still scientists are already making plans for long trips to other planets, but first we have to start with a few experiments here on Earth — and it all starts with astronaut Scott Kelly spending one full year in orbit.

Episodes of It’s Okay to Be Smart114

Video thumbnail: It’s Okay to Be Smart The Strange Science of the Placebo Effect

It’s Okay to Be Smart

The Strange Science of the Placebo Effect

How do sugar pills really interact with our bodies?

6:15

The Strange Science of the Placebo Effect

6:15

Video thumbnail: It’s Okay to Be Smart The REAL Physics of Hot Air Balloons!

It’s Okay to Be Smart

The REAL Physics of Hot Air Balloons!

The science of hot air balloons may surprise you.

5:51

The REAL Physics of Hot Air Balloons!

5:51

Video thumbnail: It’s Okay to Be Smart Is Big Data Getting Too Big?

It’s Okay to Be Smart

Is Big Data Getting Too Big?

Our need for data storage grows everyday... but by how much?

4:28

Is Big Data Getting Too Big?

4:28

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