IN: Is it true that is there a leader in a school of fish?

It would seem reasonable to think that the regular spacing and size uniformity of fish in schools would result in hydrodynamic efficiencies. However, experiments in the laboratory have failed to find any gains from the hydrodynamic lift created by the neighbours of a fish within a school, though it is still thought that efficiency gains do occur in the wild. Landa (1998) argues that the leader of a school constantly changes, because while being in the body of a school gives a hydrodynamic advantage, being the leader means you are the first to the food.

OUT: yes

IN: Is it true that is there such thing as a dog chiropractor?

Veterinary chiropractic, also known as animal chiropractic, is the practice of spinal manipulation or manual therapy for animals. Veterinary chiropractors typically treat horses, racing greyhounds, and pets. It has become a fast developing field in animal alternative medicine.

OUT: yes

IN: Is it true that is there such a thing as green onyx?

Brazilian green onyx was often used as plinths for art deco sculptures created in the 1920s and 1930s. The German sculptor Ferdinand Preiss used Brazilian green onyx for the base on the majority of his chryselephantine sculptures. Green onyx was also used for trays and pin dishes -- produced mainly in Austria -- often with small bronze animals or figures attached.

OUT: yes

IN: Is it true that do they celebrate cinco de mayo in canada?

Events tied to Cinco de Mayo also occur outside Mexico and the United States. As in the United States, celebrations elsewhere also emphasize Mexican cuisine, culture and music. For example, Windsor, Ontario, Canada, holds a ''Cinco de Mayo Street Festival'', some Canadian pubs play Mexican music and serve Mexican food and drink, and a sky-diving club near Vancouver holds a Cinco de Mayo skydiving event. In the Cayman Islands, in the Caribbean, there is an annual Cinco de Mayo air guitar competition, and at Montego Bay, Jamaica, there is a Cinco de Mayo celebration. The city of Brisbane, Queensland, Australia, holds an annual Mexican Festival to honor the day, and celebrations are held in London and New Zealand. Other celebrations of the day can also be found in Cape Town, South Africa, Lagos, Nigeria, and in Paris. Cinco de Mayo is celebrated in Japan in Osaka and in Tokyo's Yoyogi Park Event Space as a celebration of Latin American culture.

OUT:
yes