Category: Social studies

How were the first glasses made? The first eyeglass frame temples were made by Spanish craftsmen in 1600’s. They affixed ribbons of silk or strings to the frame and loop them over the user’s ears. The new types of eyeglasses carried out to China by Spanish and Italian missionaries. Did the Chinese invent eyeglasses? The […]

Can you take newly pierced earrings out for sports? Removing Jewelry If your new piercing is fully-healed, we recommend removing your earrings – as any other jewelry – before participating in a sport. This is especially true if you play a contact sport such as soccer or lacrosse. What earrings are safe for pierced ears? […]

Where did bungee jumping originate and what was its purpose? We can definitely credit Hackett — and Queenstown — for putting New Zealand on the adventure map; but the act of bungee jumping itself precedes his adventurous pursuits. It all started in Vanuatu, where people would tie themselves to a few vines before leaping off […]

Does cinnamon interfere with blood thinners? Cinnamon contains coumarin, a powerful blood-thinning agent. Warfarin, the most commonly used blood-thinning drug, is derived from coumarin. Chinese cassia cinnamon contains a much higher coumarin content than Ceylon cinnamon. Taking coumarin-rich cinnamon on a long-term basis can, however, cause liver damage. Does cinnamon interact with prescription drugs? Medications […]

How does the common Butterwort eat? Larger insects easily escape from the microscopic glands, so butterworts’ animal diet comprises smaller springtails, midges, and aphids. They can also ob- tain nutrition from pollen and other protein-rich plant parts that end up stuck on their leaves, making butter- worts one of the only herbivorous plants. How do […]

What are the statistics of identity theft? Identity theft and fraud complaints There were 4.8 million identity theft and fraud reports received by the FTC in 2020, up 45 percent from 3.3 million in 2019, mostly due to the 113 percent increase in identity theft complaints. In 2020, 1.4 million complaints were for identity theft, […]

Is the DJIA measured in dollars? The Dow is a scaled average and a scoring system of the sum of the share prices of the 30 American companies that make up the Dow. And because the price of a stock impacts a company’s total size (market cap), the Dow’s scoring system also measures size, which […]

Does Johnny Cash have any original songs? 26, has been true to his calling as a singer and songwriter. Most of his hits were self-penned, with no co-writers, including “Tennessee Flat Top Box,” “Come In Stranger,” “Cry Cry Cry,” “Hey Porter,” “I Still Miss Someone,” “I Walk The Line,” “Folsom Prison Blues,” “I’m Ragged But […]

What is the unit rate of 750 yards in 25 minutes? 30 yards per minute How do you express a rate as a unit rate? It is usually expressed as the amount of money earned for one hour of work. For example, if you are paid $12.50 for each hour you work, you could write […]

Why does milk get sour? Bacteria tend to get a lot of bad press. But lactic acid bacteria occur naturally on plants like grasses and can easily end up in milk. They ferment lactose at room temperature and turn it into lactic acid. More acid means more hydrogen ions, a lower pH and a sour […]