Tokyo — A study conducted in Japan suggests there's more to sushi than just a healthy dose of fish and seaweed. Researchers at Tohoku University found that wasabi, that spicy green condiment ...

A piece of the fish, dip — put the soy sauce and wasabi on the middle of the fish. Then not much soy sauce. So these are the three ways: sashimi, nigiri, and roll. Nigiri sushi. Make half-turn ...