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Posts tagged air

August 3, 2016

 

Chicken noodle soup in a white bowl

Soup’s Ready!

Why does blowing on hot soup help to cool it off? The answer is evaporation.

July 29, 2016

 

smoke from a smoke stack

You Are What You Breathe

Research suggests that early exposure to air pollution increases the risk of obesity.

September 3, 2015

 

hot air balloon

Full of Hot Air?   

It's a gas! Air consists of nitrogen and oxygen and lots of empty space.

November 30, 2014

 

clouds at the foot of a mountain

Is It Always Colder on Top of Mountains?

Where's the best place to keep warm, a mountain top or a valley? Well, it just depends...

November 27, 2014

 

hands pushed against glass window in an attempt to escape

Fear of Suffocation

Don't worry, there's plenty of air to go around, even in tight spaces.

November 19, 2014

 

inside hot air balloon

Lighter Than Air

Human flight began as early as the 18th-century when scientists learned how to harness the power of different gases.

July 30, 2014

 

Clouds floating in the sky. The clouds are reflected on the European Parliament building on the left side of the screen. The clouds are reflected by a lake on the right side of the screen.

Floating Clouds

Despite weighing tons, clouds seem to free-float in the air. How do the billowy marvels stay up in the sky?

March 7, 2014

 

Trilobite fossil

A Change In The Air

Most of us take our oxygen-rich atmosphere for granted. Once upon a time, though, Earth's air was very different.

January 27, 2014

 

Macro view of a single snowflake

Warm Spells And Snow

It may sound paradoxical, but warm spells and flurries often go hand in hand.

September 30, 2013

 

sunrise above the water

Sunrise Or Sunset: How Do You Tell?

When looking at a picture of the sun, how could you tell whether or not it's rising or setting?

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