And this doesn't just happen at congested intersections, it happens everywhere. Now I complain when my brother pulls up practically on the bumper of the car in front at a light, but a couple feet is usually the norm. A car length and a half is STUPID!
Mood necklaces or rings usually contain a chemical that changes color with heat (example cold to warmer black, purple, blue, green, reddish). They then usually have a pamphlet saying what the colors mean.
A little atmospheric reflection gave the moon a mysterious ring of light overnight. The white ring that encircled the moon isn't much of a mystery, according to NASA scientists. The ring is caused by the reflection of the moon's light from ice crystals in the upper atmosphere. The hexagonal shape of the crystals causes the light to focus into a ring, according to the Ask an Astrophysicist feature on the Goddard Space Flight Center's Web site.