International day of remembrance of the victims of slavery and the transatlantic slave trade

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?

"all the characteristics and experiences that define each of us as individuals" is the definition of

What would the world be look like if we live without having news?