News

  1. Health & Medicine

    A more convenient, monthly treatment for HIV cleared a key hurdle

    Two phase III clinical trials suggest that a once-a-month injection of antiretroviral drugs treats HIV just as well as daily pill regimes.

    By Jonathan Lambert
  2. Chemistry

    Thirdhand smoke wafting off moviegoers hurts air quality in theaters

    Nonsmoking theaters can still get exposed to cigarette-related pollutants carried in on audience members’ bodies and clothing.

    By Maria Temming
  3. Anthropology

    New fossils and artifacts show Homo erectus crafted a diverse toolkit

    Ancient hominid made stone tools demanding a range of skills and planning, a study finds.

    By Bruce Bower
  4. Climate

    Australia’s wildfires have now been linked to climate change

    Australia’s devastating 2019–2020 wildfires were at least 30 percent more likely due to human-caused climate change.