Synthetic embryos grown from stem cells don’t need sperm or eggs
The tech could eventually be used to grow organs for transplant
People vaccinated against Covid share common symptom after testing positive
The team said that diarrhea can be an early symptom of the virus, starting on the first day of infection and getting worse throughout the week
Conjoined twins with fused brains successfully separated thanks to UK surgeon
Surgeons in London and Rio spent months trialing techniques using virtual reality projections of the twins based on CT and MRI scans
