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What Is the Black Hole Information Paradox? A Primer Black holes, wormholes, entanglement, Einstein, mysterious islands and new science that sees how the inside of a black hole is secretly on the outside.

Dogs Actually Tear Up When Their Owners Come Home Our puppies' eyes well up, a reaction caused by oxytocin, which makes us want to take care of them even more.

Why Thinking Hard Wears You Out Concentrating for long periods builds up chemicals that disrupt brain functioning.

Some Sugar Substitutes Affect Blood Glucose and Gut Bacteria In a new study, participants who consumed sugar substitutes showed an altered microbiome and spikes in blood glucose.

Climate Change Actions Are Far More Popular Than People in U.S. Realize "False social reality" obscures widespread U.S. support for climate protection measures.

Scientific American September Issue: Black Hole Mysteries Solved.

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