Why is Exogenous pathway called exogenous if the protein/antigen has to enter cell? May 2, 2025 1 Comment
Are there any landscapes or terrains that could appear on other rocky planets, but not earth? May 2, 2025 No Comments
For a single atom in a vacuum, can it have its “temperature” increased, or is adding energy only going to increase its velocity? May 1, 2025 1 Comment
On an extremely long time scale, does the Sun sustain tectonic and geothermal activity? May 1, 2025 4 Comments