Guest: Jeff Chang is an award-winning journalist and author who has written extensively on culture, politics, the arts and music. He is the author of the books Who We Be: The Colorization of America.

Earth and environmental sciences cover all aspects of Earth and planetary sciences, and broadly encompasses solid Earth processes, surface and atmospheric dynamics, Earth system history, climate and ...

Some pros of Obamacare include more affordable health insurance and coverage for preexisting health conditions, while some cons include people having to pay higher premiums. The Affordable Care Act ...

With the adoption of the Paris Agreement in 2015, almost all Parties to the United Nations Framework Convention on Climate Change (UNFCCC) agreed to prepare nationally determined contributions (NDCs) ...

An artificial-intelligence model trained on health-care records uses a person’s medical history to estimate whether and when any of more than 1,200 diseases might arise.