Search Results for: Bears

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6,773 results

6,773 results for: Bears

  1. Health & Medicine

    Long-lasting shots work better than daily pills to prevent HIV in at-risk women

    A more discreet HIV prevention method — a shot once every eight weeks —could help to boost use in women at risk.

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  2. Paleontology

    Why South America’s ancient mammals may have lost out to northern counterparts

    When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.

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  3. Oceans

    Deep-sea mining may damage underwater ecosystems for decades

    Microbe communities in the seabed off Peru still haven’t fully recovered from being disturbed by a deep-sea mining experiment 26 years ago.

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  4. Health & Medicine

    Many U.S. neighborhoods with the worst air 40 years ago remain the most polluted

    Air pollution has declined in the United States, but marginalized communities are still disproportionately affected despite the improvement.

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  5. Humans

    Births in the United States have dropped to a 34-year low

    Recessions can influence the birth rate, but births haven’t rebounded yet since the country’s last economic downturn in the late 2000s.

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  6. Shaking up Earth

    Plate tectonics explained geologic wonders and natural hazards – and sparked questions about past and future life.

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  7. Archaeology

    To find answers about the 1921 race massacre, Tulsa digs up its painful past

    A century ago, hundreds of people died in a horrific eruption of racial violence in Tulsa. A team of researchers may have found a mass grave from the event.

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  8. Humans

    Competitive hot dog eaters may be nearing humans’ max eating speed

    Just how many hot dogs can one human eat in 10 minutes? New research suggests the answer is 83.

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  9. Archaeology

    New Guinea’s Neolithic period may have started without outside help

    Islanders on New Guinea experienced cultural changes sparked by farming about 1,000 years before Southeast Asians arrived, a study suggests.

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  10. Earth

    Plate tectonics may have started 400 million years earlier than we thought

    Magnetic minerals in ancient rocks suggest that plate tectonics may have been under way as early as 3.2 billion years ago.

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  11. Archaeology

    The Nazareth Inscription’s origins may refute ties to Jesus’ resurrection

    Chemical analysis shows the tablet’s marble came from a Greek island, challenging the idea the decree concerned early Christianity in the Middle East.

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  12. Environment

    A year long expedition spotlights night life in the Arctic winter

    Scientists anchored to an ice floe near the North Pole are investigating how life survives polar night and what changes will occur as the Arctic continues to warm.

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