Modeling the COVID-19 pandemic has become a quasi cottage industry, both in creating the models (as well as their subsequent failed predictions and criticisms). A new model takes on the hardest of ...

The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distinguished scholars engaged in scientific and engineering research, dedicated to the furtherance of science ...

Shortly after they turn 1, most babies begin to help others, whether by handing their mother an object out of her reach or giving a sibling a toy that has fallen. Researchers have long studied how ...