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The Fossils Still Say No: The Cambrian Explosion
The modern theory of evolution has its roots in Charles Darwin’s 1859 book On the Origin of Species, in which he proposed the fundamental conjecture...
The Fossils Still Say No: The Mystery of Jawed Vertebrates
One of the greatest unsolved mysteries in the grand scheme of evolution is the transition between jawless and jawed vertebrates. In a previous article,...
Cosmic Rays, Sunspots, and Climate Change, Part 2
Last month’s article described two possible mechanisms by which the sun could affect Earth’s weather and climate.1 Both mechanisms...