Medical research

Scientists create 'human liver' from stem cells

Scientists in Japan said Wednesday they had grown human liver tissue from stem cells in a first that holds promise for alleviating the critical shortage of donor organs.

Vaccination

US judge rules in favor of university's vaccine mandate

A US federal judge on Monday upheld a university's decision to require its students and employees to get vaccinated against COVID-19, the first ruling on an increasingly divisive issue ahead of the new school year.

Health

Birth control: Trump expands opt-out for workplace insurance

President Donald Trump is allowing more employers to opt out of providing no-cost birth control to women by claiming religious or moral objections, issuing new rules Friday that take another step in rolling back the Obama ...