Learn about planning experiments and variables when working scientifically with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

An endogenous variable is a variable in a statistical model that is changed or determined by its relationship with other variables within the model.

The use of instrumental variables regression in political science has evolved from an obscure technique to a staple of the political science tool kit. Yet the surge of interest in the instrumental ...

Researchers have created a panel of genetically diverse mice that accurately model the highly variable human response to SARS-CoV-2 infection. The team uncovered differences in the innate immune ...

Important state variables measured for parcels of water in the ocean are therefore temperature, which is related to the heat content, salinity, which is related to the amount of dissolved matter ...

How do Cepheid variables indicate distance? Roger Brady Tamal, California Cepheid variables are a type of star that undergo regular pulsations. The length of a Cepheid’s pulsations is always ...