A new, objective, science-based way to measure the total nutritional quality of foods and beverages has been devised by scientists and is called the Nutrient-Rich Foods (NRF) Index.

The dots above (representing molecules) show one reason why one material has more or less density than another. Can you see how the molecules of the densest material, water, are more closely ...

WHAT: The Nutrient-Rich Foods (NRF) Index is a new, objective, science-based way to measure the total nutritional quality of foods and beverages.

The U.S. should renew its investments in high energy density science facilities and workforce capacity and improve collaboration, in order to achieve advances in areas such as fusion power and ...

Therefore, university science educators must carefully examine the levels at which their students understand density so that these future educators have the necessary conceptual knowledge to teach ...