Articles on oxygen

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The more fuel there is for the fire to burn, the bigger the fire. Leaves, trees and grass fuel the fire. Flickr/bertknot

Curious Kids: how do bushfires start?

Bushfires require three key ingredients to ignite: heat, fuel and oxygen.
A John Deere tractor makes its way through floodwaters in Fargo, North Dakota. AP Photo/Carolyn Kaster

The dirt on soil loss from the Midwest floods

Recent extreme rains and weather in the Midwest are causing a multitude of problems in the topsoil that much of the nation's food supply relies on.
Westy48/Flickr.

Curious Kids: what is fire?

Put simply, it's the outcome of a chemical reaction, which humans learned how to make some 400,000 years ago.
The health benefits of being close to nature are well established. priscilla du preez/Unsplash

Why apartment dwellers need indoor plants

Health benefits of being close to nature are well established, but the rise of apartment living means we can't always be close to greenery.

Yawning acts to cool the brain

Yawning acts to cool the brain, according to a new study. Researchers recorded yawning habits of people in Vienna, Austria…
Early microbial communities, such as stromatolites, are intrinsically linked with the rise of oxygen. hannah takes pictures/Flickr

The rise and fall of oxygen

How long has Earth’s atmosphere included oxygen? A recent paper suggests low levels of oxygen appeared in the atmosphere approximately 2.95 billion years ago. That’s about 550 million years earlier than…

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