Marijuana may actually disrupt fertility in males. Now, though, researchers believe that they can use this information in order to develop new treatments for male infertility.
Brad Pitt was a good friend of Melissa Etheridge. She considered taking Pitt's offer to donate sperm so that she could bring up her children with her then-partner, Julie Cypher, in the late 1990s.
The virgin birth was documented at at Missouri's Cape Girardeau Conservation Nature Center. The female snake did it second year in a row. The offspring did not however survive this year.
Researchers have discovered a new gene that takes a call whether to make germ cells sperm or eggs.
Researchers found that first fraction was rich in sperm with fewer sperm DNA fragmentation.
The technique called CRISPR-Cas9, can be used to modify human egg, sperm and embryos.
There is some interesting new research that promises to level the contraceptive field.
Researchers created sperm and egg precursors from human stem cells.
