Many plants, from crops to carnations, cannot bear fruit or reproduce without bees, beetles, butterflies and other insects to pollinate them. But the population of insect pollinators is dropping in the U.S.^[1], due in part to pesticides, climate change, invasive plants and diminished habitats. Rachel Mallinger^[2], assistant professor of entomology at the University of Florida, explains why these insects are in decline and how...

High school sports teams start practices soon in what has been an extremely hot summer^[1] in much of the country. Now, before they hit the field, is the time for athletes to start slowly and safely building up strength and stamina.

Studies have found that the greatest risk of heat illness occurs in the first two weeks^[2] of team practices, while players’ bodies are still getting used to the physical exertion and the...