A normal heart rate is 60 to 100 beats per minute at rest. Ventricular tachycardia is a regular, faster-than-normal heart rate that begins in the heart's lower chambers.
Umami (pronounced oo-MAH-mee) has been called the fifth taste, joining the traditional quartet of salty, sweet, bitter and sour. The word umami derives from the Japanese umai, which roughly translates as deliciousness [source: Umami Information Center]. Chefs have described it as everything from delicate and subtle to earthy, musty and mushroom-like [source: Ninomiya].
Obviously, it didnât come from anywhere â itâs always been here, and people have always tasted it, without the slightest recognition. It wasnât until the late 19th century that someone tried to describe umami. That person was Japanese chemist and food lover Kikunae Ikeda. When foods age, like cheese, or when meat begins to cook under the heat of an open flame, the proteins within undergo a molecular change.