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Dark Matter May Not Exist

Astrophysicists may be tiring of searching for things they know nothing about. The consequences could be revolutionary.

Why Milankovitch Cycle Theory Is Like Astrology

Sometimes a hunch proves to be unworkable. The Milankovitch Cycle theory has too many complications. It’s time to give it up. In the 1920s, Milutin Milankovitch, a Serbian astronomer, mathematician and popularizer of science, had a bright idea. Knowing that certain orbital cycles drift over time, he wondered if they could influence the earth’s climate. […]

How Long Can Comets Bust Up and Re-form?

If comets repeatedly break up and re-coagulate, how long could that recur?

Masters of Physics in Nature

Plants and animals sometimes keep PhD physicists wondering how they do what they do.

Galaxy Evolution Problem: A Case Study in Criticizing Paradigms

"When you have a clear contradiction like this, you ought to focus on it," say scientists who found problems with the leading theory of galaxy evolution.

Virus Motors Show Mechanical Design

A virus efficiently packs its DNA into its capsule with a powerful molecular motor working against repulsive forces.
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