Ask Mr. Brain ... all will be explained

PUBLISHED : Tuesday, 23 March, 1999, 12:00am
UPDATED : Tuesday, 23 March, 1999, 12:00am

What are hyenas? Do they really laugh? Hyenas are dog-like mammals found in Africa and South Asia. They are mostly nocturnal, resting by day in dense vegetation.

At dusk, these expert scavengers emerge to feed on the remains of dead animals, eating body parts left by other carnivores.

Hyenas communicate with each other by leaving scent markings within their territory. Spotted hyenas also make loud, whooping calls, which sound like manic laughter, to alert others of their presence.

The spotted hyena is the largest and most powerful member of the hyena family. A pack of hyenas is intimidating enough to drive larger predators, such as lions, away from their own kill.

Spotted hyenas not only scavenge for dead animals, but also hunt live prey. When in a pack they can bring down a zebra or even a wildebeest with ease.

Why do people say wrestling is fake? Is it fake or real? M A SIDDIQUI Delia School of Canada Wrestling is a sport in which two unarmed opponents grapple with one another. The object is to secure a fall - to pin the opponent's shoulders to the floor - through the use of body grips and strength.

In ancient Greece, wrestlers were rated second only to discus throwers as popular Olympic heroes.

Wrestling tournaments were held in medieval Europe, and the sport has remained popular throughout history.

Different styles of wrestling exist today. Greco-Roman wrestling, most popular in continental Europe, permits no tripping and no holds below the waist, and takes place mostly on the ground.

Freestyle wrestling is most popular in the United States, Britain and other parts of the world. This form permits tripping, tackling, leg holds and other rough features of wrestling.

Sumo wrestling, popular in Japan, is quasi-religious in nature and involves much ritual. Most of its participants weigh 135 to 180 kilograms.

Olympic and world wrestling championships are real. But a lot of what you see on television is more theatrics than athletics.

The big TV wrestling stars such as Hulk Hogan and Big Daddy are more entertainers than anything else.

If we needed further proof, former wrestler Jesse 'the Body' Ventura is now Governor of Minnesota, United States.

What is aloe vera? A lot of cosmetics have this ingredient.

Aloe vera is a cactus-like member of the lily family.

It has sharp-tipped leaves arranged in rosettes at the base of flowering shoots.

The jelly-like sap from the leaves has been used since early times for healing and cosmetic purposes.

Aloe oils are used to help keep the skin soft, while medical uses include aloe extracts to treat digestive problems.

The plant is usually found in warm and tropical regions.

It is believed to have originated from the Mediterranean area and is now widely cultivated.