In mice, they observed an increase in mtDNA mutations with age in both egg cells and other body tissues, like muscle. In monkeys, they found that mutations increased in eggs and other tissues until ...

Human eggs stay dormant for decades by slowing down their waste disposal systems, according to new research involving over 100 freshly donated eggs. This clever energy-saving strategy appears to help ...

The miracle of life can be majestic at times. Other times, it’s an incredibly rare snail in New Zealand having kids out of its neck hole. In a first, officials at New Zealand’s Department of ...