New travel bans in the fight against the coronavirus.

Half of Israelis could receive at least one vaccine dose within a month, while the United States and Europe have been slower to reach their populations.

President Andrés Manuel López Obrador has played down the pandemic, and many Mexicans wonder if his own illness will change his mind, especially since he can count on the quality care that many struggle to find.

A philosopher who moved into psychology and studied I.Q., he showed that as society grows more technical, human intellectual abilities expand to meet the challenge.

Initial studies show a significant drop in infections and hospitalizations after just one dose, and very few cases after two. Experts caution that the results are preliminary.

The variant, known as B.1.1.28.1 or P.1, shares many mutations with one first identified in South Africa and is thought to be more contagious.

The striking, inside-out museum and cultural center in the heart of Paris will close for construction in 2023, France’s culture minister said Monday.

Vaccines by Moderna and Pfizer-BioNTech effectively protect recipients. But in a worrying sign, they are slightly less effective against a variant found in South Africa.

A backlash against Chinese vaccines.