Traffic becomes a lot less painful

American children have less independence and autonomy today.

• Parents have become more concerned with safety.
• Parents run the risk of being charged with neglect for letting children walk unsupervised.
• Some parents usher their children from one structure...

• Listening to particular sounds and in particular, conditions can improve cognition
• Sometimes we want more background noise, sometimes we want less: our auditory tolerance can change from one day to the next and even fluctuate within the same day
• Background noise to avoid: ...

• A reader's attention span is about 30 seconds. And this is usually a person assailed by many forces competing for attention.
• In the past, those forces were relatively few: newspapers, magazines, radio, spouse, children, pets.
• Today they also include multip...