Science & Technology — July 22, 2026

First atmosphere found on a habitable-zone rocky planet. Astronomers confirmed the first atmosphere around a rocky planet in another star's habitable zone. Planet LHS 1140 b revealed it through helium leaking into space -- and opened new questions about potential life.

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Heavy midlife TV viewing tied to smaller brain regions. A study of roughly 1,700 adults found frequent midlife TV viewers later had smaller brain regions involved in memory and cognition. The finding suggests a link between passive screen time and neurological changes.

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Satellite-servicing robot launches on life-extension mission. A two-armed space robot launched by SpaceX is headed thousands of miles up to extend the lives of out-of-gas communication satellites, a first-of-its-kind commercial servicing mission.

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Inhaled CO2 clears Alzheimer's proteins from the brain. Intermittently inhaling high-dose carbon dioxide appeared to remove amyloid and tau proteins implicated in Alzheimer's by boosting the brain's waste-clearing glymphatic system, new research suggests.

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