Critics argue that even if someone wanted to have biological children—for instance, if they were actively trying to have children...
sperm
Over time, they refined TDI-11861. In mice, the drug didn’t appear to interfere with sexual functioning or cause any side...
Lisa Ling talks with mothers who sought out sperm donors on Facebook and meets donor Ari Nagel, father to more...
Lisa Ling talks with mothers who sought out sperm donors on Facebook. She also meets donor Ari Nagel, father to...
RESEARCH BRIEFINGS 02 November 2022 It has not been clear how sperm DNA is compacted in the pollen of flowering...
Plant growth conditionsA. thaliana plants (Col-0 ecotype) used in this study were grown under long day (16 h light, 8 h dark) conditions...
Natural and synthetic mouse embryos grown by developmental biologist Magdalena Zernicka-Goetz’s research group.Credit: Gianluca Amadei, Charlotte Handford The recipe for...
Laura High’s hormones have been out of whack since she was as young as 13 years old. Her period was...
The Prussian carp is considered one of the most successful invasive fish species in Europe. Its ability to reproduce asexually...
Unlike women, who are born with all the eggs they'll ever have, men can continue to produce sperm throughout their...