Overcoming the neck cramp

The muscles in the back of the neck are usually rigid when it imprisons between head and shoulder the telephone handset or one stretch before a computer screen.

To regain flexibility and convenience do not do a movement of the rotating head on the neck. That you can block nerves, arteries and muscles behind the neck. A better remedy: right sit in a chair, low chin toward his chest and keep well for about 15 seconds.

With his head tilted, slowly rotate to the right until the chin point to the right shoulder. Maintained in this position for 15 seconds.

Then, slowly head back toward the middle of the chest, always keep it down by 15 seconds. Repeat the procedure to the left side.

Squid bioluminescent

About 700 animal species are bioluminescent, meaning that your body is! Ability to deliver phosphorescent light. These include a type of cephalopod, Watasenia scintillans, originating in the seas of Japan.

Of seven centimeters in length and nine grams, this squid live most of the year in the abyssal depths, but each spring rises to the surface to spawn.
This moment is expected as water May by thousands of curious ... and by fishermen Namerikawa, coastal city of Toyama Bay that has developed an entire industry based on this squid.

The networks are cast between March v April, and the volume of catches of these copies fluorescent ranges between 5,000 and 7,000 tonnes per year; light their properties do not preclude a dish is very popular in Japanese cuisine.

This power squid is due to the chemical reaction of an enzyme, luciferasa, which produces light in special cells called fotocitos and collecting bodies located in 800 at its mantle ventral, five other area under the eye, and three in the tip of its tentacles.