Western bumblebee populations have decreased dramatically in recent years in states like Oregon, Washington and Colorado – making them increasingly rare in the west. They just might be on the verge of a comeback.
Oklahoma was hit particularly hard by two massive outbreaks this year in what's been another deadly season of tornadoes in the U.S. Despite technology and forecasting improvements, scientists still have plenty to learn about how and why tornadoes form.
Currently, one of the best ways for researchers to understand how tornadoes form is to chase them. So off they go with mobile science laboratories, rushing toward storms armed with research equipment and weather-sensing probes.