Most genetic studies focus on people from European ancestry. But Africa has the richest diversity and must be included in genetic databases.

Healthy coral reefs can significantly reduce hurricane damage for coastlines, yet many still face harms, including pollution and ship damage, that people have the power to stop.

Kevin Warsh has come under scrutiny for his ties to finance, but that background may also bolster more independence once he’s confirmed as Federal Reserve chairman.

US charitable institutions rapidly changed in the 1780s as Americans established groups to support people in need and to reform society.