GOE or Die: Earth’s Habitability No Sure Thing
Jason Bourne lives life on the edge. The protagonist of the Bourne spy thriller series relentlessly pursues the truth, with … Continue reading GOE or Die: Earth’s Habitability No Sure Thing
Category: Atmosphere
Particle Reservoir Blunts Solar Storm Damage
Our Sun looks remarkably stable, but as with all other stars, its magnetic field exhibits variability. This variability leads to … Continue reading Particle Reservoir Blunts Solar Storm Damage
TNRTB Classic: The Rise in Free Oxygen
Scientists realize that the existence of certain elements depends on a delicate balance in how the physical laws manifest themselves. … Continue reading TNRTB Classic: The Rise in Free Oxygen
Climate Change: Warming and Water Vapor
The Greenhouse effect warms our global climate from a bone chilling 0°F (-17°C) to a mild 59°F (+15°C). This warming … Continue reading Climate Change: Warming and Water Vapor
TNRTB Classic: Fine-tuned Oxygen Levels for Human Life
If oxygen is vital for humans, why does it comprise only 20 percent of the atmosphere? Studies of ancient charcoal … Continue reading TNRTB Classic: Fine-tuned Oxygen Levels for Human Life
TNRTB Classic: Early Earth’s Atmosphere
On Monday, visiting scholar Kevin Birdwell discussed the importance of cloud cover in understanding Earth’s climate changes. The alterations to … Continue reading TNRTB Classic: Early Earth’s Atmosphere
Climate Change: Cool Clouds
Guest writer Dr. Kevin R. Birdwell received his PhD from the University of Tennessee in 2011 and currently serves as … Continue reading Climate Change: Cool Clouds
TNRTB Classic: Oxygenation Events
Humans and other large-bodied organisms, even some single-celled organisms, require free oxygen for survival. For most of Earth’s history, all … Continue reading TNRTB Classic: Oxygenation Events
A Hazy Atmosphere on Early Earth
Most scientists think Earth’s early atmosphere looked similar to that of today—dominated by nitrogen and carbon dioxide, largely transparent, and … Continue reading A Hazy Atmosphere on Early Earth
Today's New Reason to Believe 