Uncategorized

  1. Archaeology

    Mysterious marks on Ice Age cave art may have been a form of record keeping

    Hunter-gatherers during the Ice Age may have recorded when prey mated and gave birth, suggesting that these people possessed complex cognitive skills

    By Anna Gibbs
  2. Climate

    It’s possible to reach net-zero carbon emissions. Here’s how

    Cutting carbon dioxide emissions to curb climate change and reach net zero is possible but not easy.

    By Alexandra Witze
  3. Life

    Birds that dive may be at greater risk of extinction

    For birds, a diving lifestyle seems irreversible, evolutionarily speaking. The inflexibility possibly increases diving birds’ chances of going extinct.

    By Jake Buehler
  4. Life

    Fossils suggest early primates lived in a once-swampy Arctic

    Teeth and jawbones found on Ellesmere Island, Canada, suggest that two early primate species migrated there 52 million years ago.