See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. New research has found a surprising physical reaction when hearing a ...

Most parents have experienced frustration when their infants cry excessively and refuse to sleep. Scientists have found that the best strategy to calm them down is by holding and walking with them for ...

Occasional tears do not harm the baby. Frequent, ongoing crying linked to stress, anxiety, or depression, however, needs medical attention if it continues for two weeks or more.

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...