MeSH tree: D01.248.497.158.165
Humans evolved in an atmosphere containing roughly 200–300 parts per million (ppm) of carbon dioxide (CO₂). Today, that figure sits above 420 ppm, higher than at any point in the history of our species.
Mar 14, 2026
0
10
We've long known that environmental factors—from humidity and temperature to trace chemical vapors—can influence how pathogens, such as viruses, bacteria and fungi, behave once released into the air. These tiny droplets of ...
Apr 16, 2025
0
13
Bicarbonate ions are required for cell growth in some cancers, according to a Northwestern Medicine study published in the journal Molecular Cell.
Jul 12, 2022
0
72
