Many people with chimerism have no clue they have a second set of cells. Most can go their whole life without being diagnosed. There is no wide screening that is mandated, ...

One recipe for chimerism begins during pregnancy with twins (or triplets, octuplets, etc.). In cases of vanishing twin syndrome, where one of the embryos dies in utero, the other may absorb its cells ...

In Greek mythology, a chimera is a grotesque hybrid. But chimeras are not just tales. Here's how some scientists have been creating chimeras, ... 31,228 people played the daily Crossword recently.

This is the first-in-human phase 1/2a trial of Treg and bone marrow transplantation in HLA-mismatched living donor kidney transplant recipients.