Josh Dunham

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What if the universe had no beginning?

Reports of the death of the Big Bang have been greatly exaggerated. Big Bang theory is alive and well. At the same time, our universe may not have a …

Why Do Many Reasonable People Doubt Science?

There’s a scene in Stanley Kubrick’s comic masterpiece <i>Dr. Strangelove</i> in which Jack D. Ripper, an American general who’s gone rogue and ordered a nuclear attack on the Soviet Union, unspools his paranoid worldview—and the explanation for why he drinks “only distilled water, or rainwater, and only …

Humanity is ending its Goldlilocks geological era

In the space of one lifetime, human interference is bringing the conditions of the Holocene - the only ones in which we know we can flourish - to an end, writes Geoffrey Lean<p>It has been a Goldilocks geological era. The last 11,700 years have not been too hot, or too cold, too wet or too dry and …

Ancient miniature solar system hints at existence of alien life

A miniature version of solar system with planets like Earth existed 11 billion years ago and could have held ancient life, say scientists<p>A miniature solar system with five Earth-sized planets existed 11 billion years ago, at the dawn of the universe, scientists have discovered.<p>The planets clustered …

Why can’t the world’s greatest minds solve the mystery of consciousness?

Philosophers and scientists have been at war for decades over the question of what makes human beings more than complex robots<p>One spring morning in Tucson, Arizona, in 1994, an unknown philosopher named David Chalmers got up to give a talk on consciousness, by which he meant the feeling of being …

Consciousness