1 Anaphylaxis is the most severe allergic reaction and is potentially life threatening. 2  Anaphylaxis is rare. The vast majority of people will never have an anaphylactic reaction.  Common triggers of an anaphylactic reaction include drugs, such as penicillin, insect stings, foods (peanuts, shellfish), X-ray dye, and latex.
A rainbow has depth to it, all along the radius refraction angle of 45 degrees. A halo around the moon on vaporous clouds has red and magenta on the outside, the yellow is minor, green and cyan are the inside colors. The lighter area is to the inside. A moon bow is magenta, white, green, and rare.
Excerpts; from Barbara Weibel, and from Lena Katz. âWe get to see rainbows all the time when it rains, but weâre always looking up at them. Most beach sand color range from pale cream to golden to caramel, but in select places around the world, sands can be red, brown, pink, orange, gold, purple, green, and black.