Leipzig in the news after a fatal car-ramming attack; authorities say motive unknown, driver arrested, danger over. City: Saxony’s pop, 633k.
New research shows that laughter rhythms in humans and great apes are strikingly similar, suggesting a shared evolutionary past. Fresh recordings of children’s giggles align with decades-old ape tickling data, indicating a common ancestor and shedding light on the evolution of human speech.