Where did the first diamond come from?

Where did the first diamond come from? For 1,000 years, starting in roughly the 4th century BC, India was the only source of diamonds. In 1725, important sources were discovered in Brazil, and in the 1870s major finds in South Africa marked a dramatic increase in the diamond supply. Where was diamond formed? Diamonds were […]

Can anyone do the Hajj?

Can anyone do the Hajj? As one of the five key pillars in Islam, Hajj is a requirement for all physically and financially able Muslims to perform at least once in their lifetime. This year, the kingdom’s Hajj ministry said the ritual would be open only to individuals of various nationalities residing in Saudi Arabia. […]

When you have a baby does your DNA change?

When you have a baby does your DNA change? Summary: Researchers have mapped the relationship between length of pregnancy and chemical DNA changes in more than 6,000 newborn babies. For each week’s longer pregnancy, DNA methylation changes in thousands of genes were detected in the umbilical cord blood. Do mothers carry their sons DNA? A […]

What is the age range for Forever 21?

What is the age range for Forever 21? Forever 21 was originally created to be targeted to 30-40 year old women saying that you can forever be 21. Does Forever 21 do kid sizes? Forever 21 Kids offers stylish clothes for our small trendsetters at a very reasonable price point. The boys and girls collection […]

How does a pulley reduce speed?

How does a pulley reduce speed? By changing the diameter of the pulley wheels, speed can be changed. A smaller pulley turning a larger pulley results in the larger one moving more slowly but with more shaft power. What are the disadvantages of using a pillar drill? Long hair, loose clothing etc, can become entangled […]

What is the common name for crepitus?

What is the common name for crepitus? Crepitus, sometimes called crepitation (krep-i-tay-shen), describes any grinding, creaking, cracking, grating, crunching, or popping that occurs when moving a joint. What is the difference between crepitus and Crepitation? As nouns the difference between crepitation and crepitus is that crepitation is the act of crepitating or crackling while crepitus […]

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