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Posts tagged oxygen

May 2, 2013

 

Tree branches at night

Sleeping With Plants

Can sleeping in a room full of plants can be dangerous? A common myth states that, at night, plants compete with people for oxygen!

April 25, 2013

 

Colorado mountains

What Causes Altitude Sickness?

Many indigenous people live in areas of low oxygen concentration with few adverse effects. The big question is, how do they survive?

March 11, 2013

 

sled dogs racing

What Kind Of Dogs Are Sled Dogs?

In movies like Call of the Wild, huskies pull sleds for hundreds of miles over the Alaskan tundra. A Moment of Science wonders, what kind of dogs are sled dogs?

February 6, 2013

 

water droplets on a gray background

Why Do You Become Dehydrated When Sick?

If you have a runny nose and a fever, you'll need to drink more to replace those lost fluids. But why?

January 23, 2013

 

alien toy with earth behind

Is There Life On Other Planets?

Some simple sugars detected by astronomers, glycoaldehydes, are thought to be the basic building blocks of life.

October 23, 2012

 

human body book

How Does The Body Make Blood?

The body must produce the liquid part of blood, called plasma, and the cells that float in it.

October 2, 2012

 

pink and purple dragonfly resting on a branch.

In The Past, Insects Were Huge!

Scientists have found fossilized remains of dragonflies with wingspans several feet in diameter.

April 20, 2012

 

chocolate with anxioxidants

Are Antioxidants The Fountain Of Youth?

Reading ads for antioxidant supplements, you'd think you'd found the fountain of youth. What are antioxidants and how do they work?

March 28, 2012

 

child underwater holding breath

How Much Breathable Oxygen Gas Is There In The Atmosphere?

I have a friend who says there's not much oxygen on earth. Ever since I heard that I can't catch my breath! What's the truth?

March 12, 2012

 

Fossil shells

Scientists Use Ancient Shells To Learn About The Past

If you needed to know what the weather was like in Singapore tens of millions of years ago, you'd have to consult a different source.

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