The earliest scientists first observed the waves that earthquakes produce before they could accurately describe the nature of earthquakes or their fundamental causes, as discussed in Lessons 1–5.

Given what the world now knows about the coronavirus from the (ongoing) first wave, it’s vital that policymakers draw certain lessons from the (mis)handling of the first wave. Such lessons can help ...

NPR's Ari Shapiro speaks with Dr. Jennifer Vines, lead health officer of the Portland metropolitan area, about lessons learned from the deadly 2021 Portland heat wave as a sweltering summer awaits. As ...