Do You Know
Questions & Answers on General Knowledge.
Why does a rooster crow when the Sun comes up?
Afarm rooster is an adult male chicken. Long ago, when chickens had not yet been tamed or domesticated by people and lived in the wild, roosters crowed to call female chickens to mate. This loud crowing caused problems for roosters, though, because it attracted predators as well as female chickens. So to avoid being eaten, roosters began to do most of their crowing when they couldn’t be easily seen, like at dawn or at nightfall, when light was dim. Today’s roosters continue the habit, crowing mostly in the early morning or early evening. But it is usually most noticeable at dawn because there aren’t a lot of other activities and noises to distract your attention.
Both hydrogen and oxygen fuel flame, but together they make water and that can put out a flame. Why?
Are lizards poisonous?
How do people breathe in and out?
Is a siamang also an ape?
How does a discotheque laser work and how could I build one?
Which tree is the biggest and tallest?
What was the original meaning of merry in “Merry Christmas”?
Is air a fluid or a gas or both?
Why are newborn emerald tree boas red or orange in colour, while the adults are green?
How do blind people get around in the community?
How does an amplifier work and what are the basic components of one?
What is the difference between apparent weight and true weight?
What was the Bismarck?
What is a cluster of stars?
Why is going to bed called “hitting the hay”?
How does one prove that the earth is round?
What is a Zobel network in an audio amplifier and how does it work? Is it an effective device or not?
Are there volcanoes under the sea?
How do power lines work and what is the purpose of all the electrical things you see behind the fences with signs saying "Warning: High Voltage"?
Why is a large, controlled fire called a “bonfire”?
I don't understand the horizontal component of a ball thrown downfield. Does it have constant velocity and/or acceleration, even at the start?
How big are sharks?
How do an ammeter and voltmeter work? Why must the former be connected in series while the latter goes in parallel?
Why did early man need to travel?
Are there any levitated trains in the world?
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Daily Health Tips
A Surprising Revelation Water Therapy Can Lower Cholesterol
Hydrotherapy can be successfully employed in reducing excess cholesterol. Cold hip baths for 10 minutes taken twice every day have proved beneficial. Steam baths are also helpful except in patients suffering from hypertension and other circulatory disorders. Mud packs, applied over the abdomen improve digestion and assimilation. Warm therapies are recommended for those who may also have diabetes. The combination of moist heat followed by gentle exercise stimulates circulation in ways that lower blood pressure, blood sugars, cholesterol, and weight.