Family and friends of an Illinois woman found dead in a Texas jail remembered her Saturday as a “courageous voice” for social justice and promised to keep fighting for clarity on the circumstances surrounding her death
Bioengineers at the University of California, San Diego have discovered that mouse embryos are contemplating their cellular fates in the earliest stages after fertilization when the embryo has only two to four cells, a discovery that could upend the scientific consensus about when embryonic cells begin differentiating into cell types.