Music Is This Glass Half Empty? by DDF - September 30, 2015 0 Source Tags: Adenine, air, Allele, Amazing facts, Angry, animation, asapscience, Attitude, brain, cartoon, chemistry, Depressed, depression, DNA, drawing, emotion, explainer, facts, Feeling Happy, full, future, genes, Guanine, hands, Happy, How to be positive, Is The Glass Half Empty Or Half Full?, life, mood, negative, optimism, Optimism Bias, Optimist, Outlook, Oxytocin, people, Personality, perspective, Pessimism, Pessimist, positive, research, sad, sadness, science, science videos, serotonin, Stop motion, Stress, water, Whiteboard
