Sentences with phrase «conducted over the past couple of decades»

Every search I've conducted over the past couple of decades bears this out.

A large amount of evidence has been discovered through research conducted over the past couple of decades purporting that omega - 3 rich fish oil is one of the best supplements to use to strengthen one's health.

Not exact matches

Scientists have observed the CO2 fertilization effect in natural ecosystems, including in a series of trials conducted over the past couple decades in outdoor forest plots.

Findings from these preschool programs, coupled with findings from longitudinal studies conducted over the past several decades, have shown that high - quality preschool can improve school readiness, particularly for children of color and children who are non-native English speakers.