HealthRat pups born from sperm artificially produced from stem cells Rat sperm cells derived from stem cells in the lab were used to fertilise eggs and produce healthy offspring for the first time in a procedure that could be used in conservation ¿ìè¶ÌÊÓÆµ
HealthShould I worry about 'deltacron' and other covid-19 recombinants? Recombination, essentially the viral version of sex, occurs when a single cell is simultaneously infected with two related viruses, whose genetic material could mix as they replicate Analysis