Fertilization discovery reveals new role for the egg

An unexpected discovery about fertilization from the University of Virginia School of Medicine reveals new insights on how sperm and egg fuse and could have major implications for couples battling infertility—and may lead ...

HIV hijacks surface molecule to invade cell

Researchers at the National Institutes of Health have discovered a key step in the process that HIV uses to inject its genetic material into cells. Working with cultures of cells and tissues, the researchers prevented the ...