The sperm and the egg cell’s nuclei compete for size directly after fertilization and this is necessary for the proper embryonic development. The mouse study with Kobe University participation finally gives meaning to a phenomenon biologists have known for decades. At the beginning of a new individual’s life, an egg and a sperm fuse to […]
To save the northern white rhinoceros from extinction, the BioRescue team is racing to create lab-grown egg and sperm cells of the critically endangered subspecies. The team has now reported a milestone in Science Advances: they have generated primordial germ cells from stem cells – a world’s first. Thirty-three-year-old Najin and her daughter Fatu are the […]
Gene variants associated with a person’s blood type may be linked to their risk of early stroke, according to a new meta-analysis published in the latest online issue of Neurology. Non-O blood types have previously been linked to a risk of early stroke, but the new findings by University of Maryland School of Medicine study […]