Bees are essential pollinators in the garden. Having ground-nesting wasps and mining bees in your garden is beneficial: they're predators to harmful garden pests, pollinate your plants and their underground burrows aerate the soil.
The areas of the tongue sensitive to tastes. The classical theory about the physiology of taste recognizes the existence of four fundamental tastes - sweet, salty, sour and bitter - each being perceived by specific areas of the tongue by means of gustatory receptors, also known as taste buds.
Umami: The 5th Taste. When we were in grade school, many of us learned that there were four basic tastes: sweet, sour, salty and bitter. Now there's a new taste to learn and it's called umami (pronounced oo-mommy). Actually, while the term is new to us, it's not new to the Japanese, who have used the term to describe the fifth taste since the early 1900s.