Now in its ninth year, our annual poll showcases 255 vital video essays, nominated by 72 international voters.

Background: Hypertensive heart disease remains a growing global health challenge, especially in regions with limited socioeconomic development. Understanding how its prevalence, mortality, and ...

At M.I.T., a new program called “artificial intelligence and decision-making” is now the second-most-popular undergraduate major. By Natasha Singer Natasha Singer covers computer science and A.I.