Uncategorized

  1. Anthropology

    Homo sapiens bones in East Africa are at least 36,000 years older than once thought

    Analyses of remnants of a volcanic blast push the age of East Africa’s oldest known H. sapiens fossils at Ethiopia’s Omo site to 233,000 years or more.

    By Bruce Bower
  2. Quantum Physics

    A century of quantum mechanics questions the fundamental nature of reality

    A century after the quantum revolution, a lot of uncertainty remains.

    By Tom Siegfried
  3. Health & Medicine

    Omicron forces us to rethink COVID-19 testing and treatments

    At-home rapid tests may miss the speedy variant early on, and some treatments, such as some monoclonal antibodies, no longer work.

    By Tina Hesman Saey and Laura Sanders
  4. Climate

    Climate change communication should focus less on specific numbers

    Even if nations don’t meet goals to curb global climate change, any progress is better than none.