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10 января 2023 01:57

Why are peppers hot?

An odorless, flavorless substance in peppers makes them hot.

The culprit of the burning feeling you get from jalapeno-loaded Mexican food: chemical compounds called capsaicinoids.

The odorless, flavorless substances are hidden in the white flesh inside of peppers.

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09 января 2023 01:43

What is Noble Prize ?

The Nobel Prize is the legacy of Sweden's Alfred Nobel (1833–1896).

Prizes are awarded to ‘those who, during the preceding year, shall have conferred the greatest benefit on mankind.’

When he signed his last will in 1895, Nobel declared that the bulk of his estate should be converted into a fund and invested in safe securities. The four institutions in Sweden and Norway (the two countries were united between 1814 and 1905) conferring the prizes were to be the Swedish Academy of Sciences, Karolinska Institutet in Stockholm, the Academy in Stockholm and a committee of five people to be elected by the Norwegian parliament (Stortinget).

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06 января 2023 07:04

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06 января 2023 00:57

Which bird produces milk?

The pigeon is one of only three bird species (the others being flamingos and male emperor penguins) known to produce 'milk' to feed their young.

In pigeons the milk starts to be produced in the crop of the parent birds two days before eggs hatch.

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05 января 2023 04:42

What is Kohinoor Diamond ?

The Koh-i-Noor is a large, colourless diamond that was found near Guntur.

Queen Elizabeth II in right of the Crown.

The Koh-i-Noor (Persian for Mountain of Light; also spelled Kohinoor and Koh-i-nur) is a large, colourless diamond that was found near Guntur in Andhra Pradesh, India, possibly in the 13th century.

Mine of origin‎: ‎Kollur Mine‎, Guntur District, Andhra Pradesh, India.

Original owner‎: ‎Kakatiya dynasty

Owner‎: ‎Queen Elizabeth II in right of the Crown.

Weight‎: ‎105.602 carats (21.1204 g)

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03 января 2023 15:50

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02 января 2023 06:05

Can fish breathe out of water?

Though some fish can breathe on land taking oxygen from air, most of the fish, when taken out of water, suffocate and die. This is because gill arches of fish collapse, when taken out of water, leaving the blood vessels no longer exposed to oxygen in air.

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31 декабря 2022 07:23

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30 декабря 2022 03:37

What is Carbon Sequestration ?

Carbon sequestration describes long-term storage of carbon dioxide or other forms of carbon to either mitigate or defer global warming and avoid dangerous climate change.

It has been proposed as a way to slow the atmospheric and marine accumulation of greenhouse gases, which are released by burning fossil fuels.

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29 декабря 2022 03:24

What are magnetars?

A magnetar is a type of neutron star with an extremely powerful magnetic field.

The magnetic field decay powers the emission of high-energy electromagnetic radiation, particularly X-rays and gamma rays.

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27 декабря 2022 06:04

When was the wireless phone invented?

A jazz musician named Teri Pall invented a version of the cordless phone in 1965 but could not market her invention, as its 2-mile (3.2 km) range caused its radio signals to interfere with aircraft communications.

In 1968, she sold her rights to the cordless phone to a manufacturer who modified it for practical use.

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25 декабря 2022 07:06

What is an OLED screen?

An organic light-emitting diode (OLED) is a light-emitting diode (LED) in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current.

An OLED display can be driven with a passive-matrix (PMOLED) or active-matrix (AMOLED) control scheme.

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22 декабря 2022 11:11

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21 декабря 2022 16:16

What are essential fatty acids?

Human body can synthesize most of the fats it require.

However, two essential fatty acids, linoleic and alpha-linolenic, cannot be synthesized in the body and must be obtained from food.

These basic fats, found in plant foods, are used to build other specialized fats called omega-3 and omega-6 fatty acids.

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20 декабря 2022 06:02

What is photosphere?

Photosphere is the outer shell of star from which light is radiated.

It is the innermost layer of the solar atmosphere to which our eyes can penetrate through the superficial transparent layers.

Our view is obstructed beyond this layer by the rapidly increasing opacity of the denser layers of the gas as we go inward through it.

Temperature of photosphere for Sun is about 5,800 K and values of pressure & density are low.

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09 января 2023 01:44

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07 января 2023 01:43

Why third molars are called wisdom teeth ?

The eruption of our third molars marks a transitional period in our lives between adolescence and adulthood.

It is thought that with age, we become wiser and more mature.

Thus, these late arrivers were nicknamed "wisdom teeth." Wisdom teeth may come in straight, not causing any problems with the other teeth.

The molars or molar teeth are large, flat teeth at the back of the mouth.

They are more developed in mammals. 

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06 января 2023 02:05

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05 января 2023 04:53

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04 января 2023 02:45

What is the relationship between color and energy in stars?

Most stars that we see in the night sky appear silver or whitish to our eyes.

In reality, the colours of the stars differ from one another, ranging from blue, yellow, orange and red.

Different colored stars send out different kinds of energy. The blue stars send their energy through ultra-violet rays, while blue-white, white, yellow-white, yellow, orange and red stars send out their energy in heat waves.

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03 января 2023 14:31

What is Ruby and Sapphire ?

Ruby and Sapphire are oxides of Aluminium. They have the same chemical composition and crystal structure - they are both varieties of the mineral corundum.

Rubies: The most desired variety of corundum is the ruby. The red color is produced by trace amounts of chromium in the mineral.

Ruby is the red variety, and Sapphire is the variety that encompasses all other colors, although the most popular and valued color of Sapphire is blue.

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01 января 2023 02:18

Do insects have lungs?

Instead of lungs, insects breathe with a network of tiny tubes called tracheae. Air enters the tubes through a row of holes along an insect's abdomen. The air then diffuses down the blind-ended tracheae.

Since the biggest bugs have the longest tracheae, they should need the most oxygen to be able to breathe.

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31 декабря 2022 07:22

What mineral is the hardest?

As it says in Mohs scale, the diamond is always at the most top of the scale, being the hardest mineral.

There are ten minerals in Mohs scale, talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and for last and the hardest, diamond.

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29 декабря 2022 03:25

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28 декабря 2022 04:49

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25 декабря 2022 07:07

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23 декабря 2022 03:37

What is TX- 2 initiative?

Double the number of Tigers by 2022.

Tigers are the largest species of cat and one of the most iconic animals on the planet.

One hundred years ago, there were 100,000 wild tigers.


By the year 2010, as few as 3,200 wild tigers remained.


This shocking 97% population decline was driven by rampant poaching and habitat loss. In 2010, governments of the 13 tiger range countries decided innovative conservation efforts were needed.

The most ambitious and visionary species conservation goal was set: to double the number of wild tigers by 2022 – the next Chinese year of the tiger.


The goal is called Tx2 running by WWF. 

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22 декабря 2022 11:10

What is the Ketogenic Diet?

A keto diet is well known for being a low carb diet, where the body produces ketones in the liver to be used as energy.

It's referred to as many different names – ketogenic diet, low carb diet, low carb high fat (LCHF), etc.

When you eat something high in carbs, your body will produce glucose and insulin.

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20 декабря 2022 06:04

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18 декабря 2022 05:51

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