News
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AnthropologyHanded-down tales tell of ancient sea level rise
Australian Aborigines tell tales of actual, ancient sea-level rises, a contested study finds.
By Bruce Bower -
EarthShortcut math predicts tsunami height quickly
The September 16 earthquake that rattled Chile proved an unexpected test for new numerical calculations that could provide quicker forecasts of incoming tsunamis.
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PhysicsRaw chicken, ingenuity make a time-reversal mirror
A new phase-conjugation mirror sends light waves back where they came from, allowing physicists to reconstruct images even if the original light was severely scrambled.
By Andrew Grant -
Health & MedicineStudy finds benefits from lowering blood pressure, but questions remain
Preliminary results from NIH clinical trial suggest that lower blood pressure is better, but scientists have not yet published the data and open questions remain.