male

New Chinese Study Confirms COVID-19 Attacks Testicles, May Affect Male Fertility

A new study has revealed that SARS-CoV-2, the virus which causes COVID-19, infects the testicles and likely impacts male fertility. Recall in March we reported that doctors in central Wuhan raised concerns over testicle damage after observing a lowered ratio of testosterone to luteinising hormone (T/LH). Now, nine months later, a team of 14 researchers…

Genetically modified bull is designed to produce 75 percent male offspring

Cosmo, a 110-pound bull calf was born in April of 2020 at UC Davis. Scientists successfully genome-edited him as an embryo to produce more male offspring. Scientists at the University of California, Davis, have successfully produced a bull calf, named Cosmo, who was genome-edited as an embryo so that he’ll produce more male offspring. The…