Definition - What does Positive Displacement Pump mean? Positive Displacement Pump is a type of pump used to displace or force oil and petroleum products into pipelines or into various equipment installed in refineries.
A brain looks like a walnut because our minds are constantly making comparisons and finding similarities to help us understand the world around us. Here's an activity that can help you see more such things. Try to find faces.
A few walnuts a day may help improve memory. Eating a handful of walnuts a day may help improve memory, concentration and information processing speed. New research from the David Geffen School of Medicine at UCLA found that adults who consumed walnuts showed consistently greater cognitive function than those who did not.