C3 photosynthesis

Is Earth’s Terrestrial Biosphere at the Temperature Tipping Point?

March 8, 2021

For many of us, seeing the words "temperature tipping point" may rouse concern or alarm. For researchers who study Earth's climate, two factors help...

Design

by Hugh Ross Read

Atmospheric Pressure and the Possibility of Life

August 20, 2018

In mountain climbing, the death zone refers to altitudes above 26,000 feet (7,900 meters). At that height, the atmospheric pressure is only 35 percent...

Astronomy

by Hugh Ross Read