embryos

The Institute for Clinical and Economic Review (ICER) said that while subcutaneous semaglutide…

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)Kathryn Kavanagh, UMass Dartmouth(THE CONVERSATION) Many…

Oxford, August 13 Children, even some who are too young for school, know you can’t make a baby without sperm and an egg. But a team of…

Children, even some who are too young for school, know you can't make a baby without sperm and an egg. But a team of researchers in Israel have called into question the basics of what we…

In June, 100 fruit fly scientists gathered on the Greek island of Crete for their biennial meeting. Among them was Cassandra Extavour, a Canadian geneticist at Harvard University. Her lab…

In humans, a fertilized egg is no guarantee of reproductive success. Most embryos stop developing and perish within days of fertilization, usually because they have an abnormal number of…

Approximately 24 hours after a human egg is fertilized, the process of cell division begins. During cell division, the entire genome—46 chromosomes containing more than 3 billion base…

At 18 months old, Aurea Yenmai Smigrodzki is inquisitive like any other toddler. She likes peanut butter, the beach, and mobile phones—or any toys that look like phones. She likes to copy…

Why do two-thirds of in vitro fertilization (IVF) embryos go into developmental arrest? A new study publishing June 30 in the open-access journal PLOS Biology by Andrew Hutchins of Southern…

Why do some people seem to never get sick while others consistently fall prey to viruses and bacteria? How can the spouse of a sick person avoid catching their partner's bug despite sleeping…