An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
By turning on a gene found in all mammals, NIEHS scientists prompted male mice to grow ovaries, which suggests sexual development is flexible.
NIEHS scientists and colleagues discovered that a protein in mice and humans called SOX17 may be critical for a woman to become pregnant.
NIEHS-funded researchers unmasked the genetic basis for how one form of harmful algal bloom becomes toxic.