Amalia Bastos first met Kanzi the bonobo in 2023. Bastos was “starstruck,” she recalls: Kanzi was famous for learning how to communicate with humans using a keyboard of symbols. Upon first seeing ...
Metamorphopsia distorts central vision, making straight lines look wavy and flat objects look rounded. It happens when the retina or macula is damaged by disease, injury, or aging. Common causes ...