Scientists analyzing sediment scraped from a rugged ridge nearly three miles under the Central Pacific Ocean expected calm, predictable chemistry. Instead they found a dense band of the radioactive isotope beryllium‑10 (10Be) packed into the layer that formed about 10 million years ago. This enough extra atoms to raise the normal background by roughly seventy‑three percent. Dr. Dominik …
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Amount of carry-on liquids in US airports may change, Kristi Noem says
WASHINGTON (AP) — Travelers giddy about being able to keep their shoes on while walking through TSA checkpoints at the airport again may have something else to look forward to: changes to how much liquid they can carry. Homeland Security Secretary Kristi Noem said Wednesday during a conference hosted by “The Hill” that she is questioning “everything TSA does” and …
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