Why Do I Laugh at Funny Things? By Beth Ann Ditkoff Laughter spreads positive emotions, decreases stress, and contributes to the cohesiveness of a group.
Why Can't Human Beings Breathe Underwater? By Beth Ann Ditkoff When you breathe in air, the air travels from your nose, down your trachea (windpipe), and into your lungs.
Why Are Lips Red? By Beth Ann Ditkoff Did you know that the outline or the border of your lips is a special feature of humans only?
