NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

Attorney General James Uthmeier says that surrogate parenthood violates the 13th Amendment to the U.S. Constitution regarding slavery.

Kangaroo reproduction is one of the strangest systems in the world as females can support joeys at several different stages ...

For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about ...

Human childbirth is commonly viewed as uniquely difficult and dangerous. The reason: The combination of bipedalism and large ...