Elemental zinc pulls together multiple themes that biologist Michael Denton writes about in his new book.
For photosynthesis to proceed on a planet like Earth, sunlight (visual light) must penetrate the atmosphere all the way to the ground.
Chemicals that we shouldn’t find unless they are produced by life forms are sparking interest in exploring Venus from both public and private sources.
In the time of the early Earth, Airgas, the supplier from which the researchers obtained their materials, was not around.
So how did the paper determine that photosynthesis has an “overall simplicity,” despite the complexity just described?