People are often healthy, but one short of the typical 46 chromosomes for a human. Most don’t learn they carry this genetic anomaly unless they experience reproductive problems and seek testing.

A 'universal' kidney, an exciting new Alzheimer's experiment, a growing anomaly in Earth's magnetic field, and much more!

SCDIRB copy 39088019634583 not included in the Bibliotheca Beckwithiana (unpublished). SCDIRB copy has bookplate: Smithsonian Libraries: The Beckwith-Browning-Peterson Teratology Collection. SCDIRB ...

Researchers are studying development of human pre-implantation embryos in an effort to improve success of embryo growth and development.

This undated image provided by the Mitalipov Laboratory at Oregon Health & Science University shows a a microscope image of a human egg that contains a nucleus taken from a skin cell. (Mitalipov ...