Today I Learn
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Life is all about Learning. We learn something new everyday. What did you learn today ?

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Which country is referred to as down under?

The term Down Under is a colloquialism which is variously construed to refer to Australia and New Zealand, or to Australia or New Zealand alone.

The term comes from the fact that the countries are in the Southern Hemisphere, 'below' many other countries on the globe.

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​​What is BioMining?

Biomining is the process of using microorganisms to extract metals from ores. It is an alternative to traditional mining methods, which can be harmful to the environment. Biomining uses bacteria and fungi to break down the ore and release the metals. This process is more environmentally friendly because it does not require the use of chemicals or large amounts of energy.
Microorganisms are introduced to the ore.
The microorganisms produce acids or other chemicals that break down the ore.
The metals are released from the ore and can be collected.

The microorganisms used in biomining are typically extremophiles, which are organisms that can survive in extreme environments. These organisms are able to tolerate high temperatures, high pressures, and acidic or alkaline conditions.

Biomining has a number of advantages over traditional mining methods:
It is more environmentally friendly.
It is less expensive. It is more efficient. It can be used to extract metals from ores that are not suitable for traditional mining methods.

Biomining is still a relatively new technology, but it has the potential to revolutionize the mining industry. It is a more sustainable and environmentally friendly way to extract metals from ores, and it could help to reduce the environmental impact of mining.
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WHY is the brown rice consider the healthiest?
​​What is Inflation? What are different types of Inflation?

Inflation is a general increase in prices and fall in the purchasing value of money. It is often measured by the Consumer Price Index (CPI), which tracks the prices of a basket of goods and services that are commonly purchased by households.

There are several types of inflation, each with its own characteristics:

Demand-pull Inflation: This occurs when the overall demand for goods and services in an economy exceeds the supply, leading to an increase in prices. It is often caused by factors such as increased consumer spending, rising wages, or government expansionary policies.

Cost-push Inflation: This occurs when the cost of producing goods and services increases, leading to higher prices. It can be caused by factors such as rising wages, higher raw material costs, or increased energy prices.

Built-in Inflation: This occurs when there is an expectation of future inflation, leading to wage and price increases in anticipation of higher costs. It can become self-perpetuating as higher wages and prices reinforce each other.

Deflation: This is the opposite of inflation, where there is a general decrease in prices and an increase in the purchasing value of money. It can be caused by factors such as reduced consumer demand, excess supply, or tight monetary policies.

Disinflation: This is a slowdown in the rate of inflation, where prices are still increasing but at a slower pace. It can be caused by factors such as tighter monetary policies, reduced government spending, or a decrease in economic growth.

Reflation: This is a deliberate policy to increase the inflation rate in an economy, often used to combat deflation or stimulate economic growth. It can be achieved through expansionary monetary and fiscal policies.

Greedflation: This is a term used to describe inflation that is caused by excessive corporate greed and profiteering, leading to higher prices for goods and services.

Lowflation: This is a term used to describe a low and stable rate of inflation, often considered to be beneficial for economic growth and stability.

Skew Inflation: This refers to a situation where the inflation rate is not uniform across different sectors or goods and services. For example, some sectors may experience higher inflation rates than others.
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​​What is Bull and Bear in stock market?

The stock market is a dynamic stage where two opposing forces play out: Bulls and Bears. Bulls, with their horns pointed skyward, represent optimism and rising markets. They believe stock prices will climb, prompting them to buy stocks in anticipation of future profits. A bull market is characterized by rising prices, increased trading volume, and a positive economic outlook.

Bears, on the other hand, are pessimists who see the market heading downwards. They believe stock prices will decline, leading them to sell stocks or avoid buying altogether. A bear market is marked by falling prices, decreased trading volume, and a negative economic outlook.

While bulls and bears represent opposing sentiments, the market rarely operates in absolutes. There are often periods of consolidation, where the market moves sideways, and mixed signals can exist even within a dominant trend. Recognizing these nuances is crucial for making informed investment decisions.
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​​How do we measure the distances to things in space?

There are a few primary methods used to measure distances to objects in space:

Parallax:For relatively nearby objects within our own galaxy, we can use the parallax effect. This involves measuring the apparent shift in position of an object against the background as observed from two different locations (such as the Earth at different times of the year). The degree of parallax shift is inversely proportional to the distance.

Redshift:For distant galaxies and other extragalactic objects, we can use the redshift of their light to estimate their distance. As objects move away from us, their light is shifted towards longer, redder wavelengths, and the degree of redshift is proportional to the recession velocity, which is in turn related to the distance via Hubble's law.

Standard Candles: Astronomers can use "standard candles" - objects of known intrinsic brightness, like certain types of stars or supernovae. By comparing the observed brightness to the known intrinsic brightness, the distance can be calculated.

Time Delay: For extremely distant objects like quasars, astronomers can measure the time delay between the arrival of light from different parts of the object. This time delay is related to the size of the object and its distance.

Radar Ranging: For objects within our solar system, like planets and asteroids, we can use radar to bounce radio signals off them and measure the time of flight to calculate the distance.

The choice of method depends on the type of object and how far away it is. Combining multiple techniques can provide more robust distance measurements for astronomical objects. As our observational capabilities have improved, we've been able to measure distances to increasingly remote parts of the universe.
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​​What is the difference between Identical Twins and Fraternal Twins?

Identical twins, also known as monozygotic twins, are formed when a single fertilized egg splits in two and develops into two separate embryos. Since they come from the same egg, they share the same DNA and genetic material, which is why they often look very similar or identical. This rare phenomenon occurs in about 3 in every 1,000 births.

Fraternal twins, on the other hand, are formed when two separate eggs are fertilized by two different sperm. They have different DNA and genetic material, just like regular siblings, and may look similar or dissimilar. Fraternal twins are more common than identical twins, occurring in about 6 in every 1,000 births.

The key difference between identical and fraternal twins lies in their origin and genetic makeup. Identical twins are formed from a single egg and share the same DNA, while fraternal twins are formed from two separate eggs and have different DNA. This difference in origin is what determines their physical similarities and genetic connections.
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​​What is the Challenger deep?

The Challenger Deep is the lowest point on Earth, with a depth of approximately 35,787 feet (10,902 meters) in the Mariana Trench, which is located in the western Pacific Ocean. It is a depression in the Earth's crust, a deep-sea trench that is a remarkable natural feature.

To put that depth in perspective, the Challenger Deep is nearly 7 miles (11 kilometers) deeper than Mount Everest, the highest mountain on Earth, is tall. It's an incredibly extreme environment, with pressures reaching over 1,000 times the pressure at sea level and temperatures ranging from just above freezing to near-freezing.

The Challenger Deep was named after the HMS Challenger, a British ship that first measured its depth in 1875. The trench is a remote and inhospitable region, with only a few humans having visited the bottom, including Jacques Piccard and US Navy Lieutenant Don Walsh in 1960, and filmmaker James Cameron in 2012.

The Challenger Deep is a unique ecosystem, with organisms that have adapted to survive in the extreme conditions. Despite the harsh environment, scientists have discovered a variety of life forms, including giant amphipods, deep-sea fish, and microorganisms that thrive in the trench's dark, cold waters.

The Challenger Deep continues to fascinate scientists, explorers, and the general public alike, and ongoing research and exploration efforts are helping to uncover more about this remarkable and largely unexplored region of our planet.
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What do you call the smell after it rains?

One of these odors, called "petrichor," lingers when rain falls after a prolonged dry spell. Petrichor the term was coined in 1964 by two Australian scientists studying the smells of wet weather is derived from a pair of chemical reactions.

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Why are there 60 seconds in a minute?

THE DIVISION of the hour into 60 minutes and of the minute into 60 seconds comes from the Babylonians who used a sexagesimal (counting in 60s) system for mathematics and astronomy. They derived their number system from the Sumerians who were using it as early as 3500 BC.

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This robotic manta ray, using a lightweight design and helium for buoyancy , replicates the underwater movements of its aquatic counterpart in the air.

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When was glass first made?

Archaeologists have found evidence of man-made glass which dates back to 4000 BC; this took the form of glazes used for coating stone beads. It was not until 1500 BC that the first hollow glass container was made by covering a sand core with a layer of molten glass.

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How much is a moment in time?

A moment is a medieval unit of time equal to 1.5 minutes or 1/40 of an hour. This reckoning is derived from the work of Bartholomeus Anglicus, writing in 1240 that each hour was divided into four points, each point into ten moments, each moment into twelve ounces, and each ounce into 47 atoms.

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How many rooms are there in the White House?

White House Trivia. There are 132 rooms, 35 bathrooms, and 6 levels in the Residence. There are also 412 doors, 147 windows, 28 fireplaces, 8 staircases, and 3 elevators.

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Some facts about bamboo:

1.Fast Growth: Bamboo is the fastest-growing plant in the world. It has been recorded at growing 47.6 inches in 24 hours. Some species can even grow over a meter per day under optimal conditions. A new bamboo shoot reaches its full height in less than a year.

2. Oxygen Release: A grove of bamboo releases 35% more oxygen than any other tree out there.

3. Carbon Dioxide Absorption: Bamboo absorbs carbon dioxide at a rate of 17 tons per hectare every year. It can act as a valuable carbon sink given how fast the plant grows.

4. No Fertilizer Required: Bamboo doesn’t need fertilizer to grow. It can self-mulch by dropping its leaves and use the nutrients to grow.

5. Drought Resistance: Bamboos are drought-tolerant plants. They can grow in the desert.

6. Wood Replacement: Bamboos can be harvested in 3-5 years compared to the 20-30 years of most softwood trees.
7. Building Material: Bamboo is incredibly strong and sturdy. It has been used as support for concrete as well as scaffolding, bridges, and houses.

8. Soil Stability: Bamboo has a wide network of underground roots and rhizomes that prevent soil erosion.

9. Natural Air Conditioner: Bamboo cools the air surrounding it by up to 8 degrees in the summer.

10. Invasiveness: Some species of bamboo, especially ‘running’ bamboos, can be invasive due to their extensive root systems, which allow them to spread rapidly. However, not all species are invasive, and with proper management, the environmental impact can be minimized.
What color do dogs eyes reflect?

The colors of a dog's eyeshine aren't limited to red and green, either. They can be all shades of blue, orange, yellow, turquoise or even violet. The specific color reflected depends on the amount of zinc or riboflavin in the eye cells. Red glowing eyes at night are the result of blood vessels reflecting light.

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⁉️ Why are your lips red?

Your lips' red or pink pigment comes from underlying blood vessels -- red-colored, blood-filled capillaries are close to the thin skin on your lips. The transition of the reddish-pink outline of your lips to the rest of the skin is called the vermillion border, and it's found only in humans .

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