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Science & Technology | Science
Why Covid vaccine booster shots are so important: Omicron will 'rip right through the population,' says expert
Omicron is now the country's dominant Covid strain — and vaccine booster shots can help fight it, according to one top expert. Here's what you need to know.
Science & Technology | Science
Unprecedented die-offs, melting ice: Climate change is wreaking havoc in the Arctic and beyond
Scientists are seeing changes off Alaska that have never been documented before, as warming upsets a vast ecosystem and one of the world's vital fisheries.
