Apr 11: COVID-19 transmission, reliving Apollo 13 in real time, birds watch out for rhinos, toads outbreed in hard times, and sports in mesoamerica 3400 years ago.
Why speaking ‘moistly’ could be partly to blame for the rapid spread of COVID-19. Apollo 13 was a near-disaster that became a triumph — now you can experience it in real time. The birds on their backs are a distant early warning system for endangered rhinos. A desert toad chooses to mate with another species when times get tough. Play ball! Researchers find ancient ballcourt in Mexico’s highlands.