If you’re a frequent flier, you may barely pay attention to the routine stages of flight. Still, you know the basics: After takeoff, the airplane climbs for the first 15 to 20 minutes before reaching ...
Jakob von Uexküll was a Baltic German biologist ahead of his time, intrigued by the idea that animals inhabit unique perceptual worlds quite unlike our own. In 1934, he described angling for flies by ...