Believe it or not, we can (kind of) measure the air pressure of early Earth!
Blue-green algae's response to different nitrogen pressures may tell us what fossils to look for and what those fossils tell us about…
The Encyclopedia of Science's Frontier
Blue-green algae's response to different nitrogen pressures may tell us what fossils to look for and what those fossils tell us about…
What was the weather like in New York last week? You can look it up on weather.com. What was it like on March 7, 1953, in the pre-internet…