Uncategorized

  1. Climate

    Here’s how much climate change could cost the U.S.

    A report by hundreds of scientists from 13 federal agencies starkly outlines the economic impacts of climate change on the United States.

    By Carolyn Gramling and Laurel Hamers
  2. Ecosystems

    Beavers are engineering a new Alaskan tundra

    Climate change has enabled the recent expansion of beavers into northwestern Alaska, a trend that could have major ecological consequences for the region in the coming decades.

    By Sid Perkins
  3. Genetics

    Chinese scientists raise ethical questions with first gene-edited babies

    Scientists say gene editing of human embryos isn’t yet safe, and creating babies was unethical.

    By Tina Hesman Saey
  4. Animals

    Mosquitoes may surf winds above Africa more than we realized

    More than 40 meters up, balloon traps in Mali caught females of malaria-spreading mosquito species.