Science Explorer
Science Explorer

Science Explorer

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Trio of 'black mesas' leftover from Paleozoic era spawn rare sand dunes in the Sahara — Earth from space
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Trio of 'black mesas' leftover from Paleozoic era spawn rare sand dunes in the Sahara — Earth from space

A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The structures are remnants of a single Paleozoic era formation, and have helped to create a series of striking sand dunes.

Science history: Computer scientist lays out 'Moore's law,' guiding chip design for a half century — Dec. 2, 1964
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Science history: Computer scientist lays out 'Moore's law,' guiding chip design for a half century — Dec. 2, 1964

At a small local chapter meeting of a professional society, Gordon Moore's talk laid out the rudiments of what would become "Moore's law, which would govern the electronics industry for a half century.

There's a Surprising Link Between a Key Nutrient, Obesity, And Alzheimer's Risk
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There's a Surprising Link Between a Key Nutrient, Obesity, And Alzheimer's Risk

"Most people don't realize they aren't getting enough."

Common Acne Medication Linked With 30% Lower Schizophrenia Risk
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Common Acne Medication Linked With 30% Lower Schizophrenia Risk

Tentative, but exciting.

Celebrities Are Now Cloning Their Pets, But Experts Warn of Hidden Risks
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Celebrities Are Now Cloning Their Pets, But Experts Warn of Hidden Risks

A 'forever pet' might leave you heartbroken instead.