After vaccinating 95 percent of adults, a Brazilian city is returning to normal

COVID-19 hospitalizations and deaths dipped following mass vaccination of adults in Serrana. In Serrana, Brazil, schools are reopening and plans are under way for a large open-air concert. Health care workers suddenly have time for sit-down meals rather than rushing to grab street food during a spare free moment. These scenes approaching normalcy stand in stark contrast to what’s happening across the rest of the country, where hospitals are jam-packed, businesses are largely closed and 2,000 people are dying each day from COVID-19. Serrana, a city of 45,600 in the…

Elephants inhale water at 330 mph

Suction in elephants’ trunks is more powerful than scientists thought. Elephants’ trunks suck a lot — and that’s a good thing. Powerful suction allows elephants to deftly grasp small and delicate pieces of food, even fragile tortilla chips that would otherwise be crushed or fumbled by the grip of their muscular trunks. High-speed video recently revealed that this suction success stems from the forcefulness of elephant inhalation. Researchers calculated that elephants can inhale at speeds of over 336 mph (540 km/h), which is more than 30 times the speed of…