Health & Science

What were the wisdom teeth used for?

Anthropologists believe wisdom teeth, or the third set of molars, were the evolutionary answer to our ancestor’s early diet of coarse, rough food – like leaves, roots, nuts and meats – which required more chewing power and resulted in excessive wear of the teeth.

Which planet is known as bright wandering star?

It is the fifth planet from the Sun, and it is more than twice as massive as all the other planets combined. Jupiter is the fourth brightest object in the sky (after the Sun, the Moon and Venus). It has been known since prehistoric times as a bright “wandering star”.

How long do taste buds last for?

Taste buds go through a life cycle where they grow from basal cells into taste cells and then die and are sloughed away. According to Dr. Bartoshuk, their normal life cycle is anywhere from 10 days to two weeks. However, “burning your tongue on hot foods can also kill taste buds,” she says.

Do carrots help your eyesight?

For example, a diet of carrots won’t give a blind person 20/20 vision. But the vitamins found in the vegetable can help promote overall eye health. Carrots contain beta-carotene, a substance that the body converts to vitamin A, an important nutrient for eye health.

What is ‘treeman syndrome’?

Epidermodysplasia verruciformis (EV), also known as treeman syndrome, is an extremely rare autosomal recessive hereditary skin disorder associated with a high risk of skin cancer. It is characterized by abnormal susceptibility to human papillomaviruses (HPVs) of the skin. As a result of the disease, the patient’s hands and feet become covered with extensive wood-like warts.

How many amps are in a bolt of lightning?

Most measurements have been in the range 5,000 to 20,000 amps but a famous strike just before the Apollo 15 launch in 1971 was measured at 100,000 amperes by magnetic links attached to the umbilical tower. Currents over 200,000 amps have been reported.

What the boiling point of water in Fahrenheit?

On the Fahrenheit scale, the freezing point of water is 32 degrees Fahrenheit (°F) and the boiling point 212 °F (at standard atmospheric pressure). This puts the boiling and freezing points of water exactly 180 degrees apart.