A new study out of Washington University suggests that women who use short-term birth-control methods like the pill are 20 times more likely to have an unintended pregnancy than those who use longer-term options like intrauterine devices or implants.
A new report by the advocacy group American Rivers says when it comes to managing flooding along the Missouri River, the US Army Corps of Engineers should rely on floodplains and wetlands, not levees and dams. But the Corps doesn't see flood management as an "either/or" proposition.
Biologist Edward O. Wilson is an emeritus University Research Professor at Harvard. Through his life-long research on the behavior of ants, he has transformed the disciplines of ecology and evolution, developing new theories and pioneering the field of sociobiology.