As it turns out, human babies may be practicing how to cry long before they ever make a sound. That is, if they’re anything like marmosets, humans’ primate cousins.

Some baby animals have more distinctive cries. A cheetah cub separated from its mother chirps. Baby kangaroo cries sound like coughing. As parents know only too well, the sounds of baby crying don ...

Some fun facts about infant wailing that will confirm you're in for it: Infants cry about two hours a day. Adults are wired to respond to infant crying about twice as fast as we do to other loud ...

Babies and children make a lot of noise when they cry and shriek. Why do the young of other animals seem generally much quieter? Vivienne Peters Sydney, Australia. Young humans emit their ...