The main variables in a science experiment are the independent variable, the dependent variable and the control variables. The Independent Variable is what we change or control in the experiment.

The effect of combined oral contraceptives on bone mineral density is variable, with no effect reported ... in a US FDA black-box warning for this method. No restriction has been placed on the ...

In research published in Advanced Sustainable Systems, investigators optimized an electrochemical method called seawater splitting for trapping and sequestering carbon dioxide into stable solid ...