Study says K-Pg impact dust delivered a lethal 17x human thermal dose
New evidence reframes the extinction timeline: less “winter” first, more planet-wide heat and firestorms within hours.

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162 briefings briefings in Science
New evidence reframes the extinction timeline: less “winter” first, more planet-wide heat and firestorms within hours.
Models suggest the climate feedback is not a simple off-switch, especially for heat, rain, and drought patterns across Europe and Asia.
A new acceleration shows up across five datasets, forcing boards to revisit risk assumptions built on slower mid-century trends.
A culturally adapted lifestyle trial delivers a bigger brain-function bump by targeting risk factors participants actually have.
The 21-year-old free diver turns social media footage into a conservation-minded mission, offering lessons for brands and boards.
A six-month trial suggests one fruit serving a day may measurably shift heart-disease risk markers.
New research traces statin-related muscle symptoms to immunity, suggesting future treatments could protect muscles without blocking heart benefits.
A new photogrammetry-to-print workflow turns restoration pieces into data collectors, enabling systematic preservation monitoring.
On July 4, 1978, a boy wakes up eight years later, and Disney accidentally made sci-fi history.
A 2026 reality check: modern rendering can hide low frame rates without smearing the whole screen.
Here is the exact one-day observing stack, with key locations, timing, and why the Moon-free Perseids matter.
Brazilian researchers show goethite survives extreme conditions, raising a big question: how much water moves deep inside Earth?