On May 9, 2013, NBC renewed Parks and Recreation for a sixth season. The season debuted on September 26, 2013 with an hour-long episode set in London. It was announced in July 2013 that Rob Lowe and Rashida Jones would leave the show during the fall broadcast program season.
Smokeless tobacco contains at least 3,000 chemicals, including many that you wouldnât want in your body. Like all forms of tobacco, dip & chew contain nicotine, an addictive drug that gets you hooked on tobacco. Holding one pinch of smokeless tobacco in your mouth for 30 minutes delivers as much nicotine as 3-4 cigarettes.
The outer segment of a rod or a cone contains the photosensitive chemicals. In rods, this chemical is called rhodopsin; in cones, these chemicals are called color pigments. The retina contains 100 million rods and 7 million cones. The retina is lined with black pigment called melanin -- just as the inside of a camera is black -- to lessen the amount of reflection.