Today I Learn

02 Jan 2024 02:31

Airplane footage of the Castle Bravo nuclear test, the largest nuclear bomb the US has detonated (15 Megatons)

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29 Dec 2023 06:11

Why is the left lung smaller than the right lung?

The left lung is slightly smaller than the right lung because 2/3 of the heart is located on the left side of the body.

The left lung contains the cardiac notch, an indentation in the lung that surrounds the apex of the heart.

Each lung consists of several distinct lobes.

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26 Dec 2023 17:03

How much time, new born baby takes to produce first tear?

Your new baby cannot cry. Your baby can scream and holler for what he/she wants or needs, but your baby cannot technically cry.

Tears can't actually be created or released until about three weeks.

However, sometimes it can take up to 4 or 5 months for a baby to produce their first tears – and remember, whether 3 weeks or 5 months, this is all normal.

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20 Dec 2023 13:02

How many months before you can tell the sex of the baby?

This is one of the most common questions I receive from parents-to-be.

Most patients undergo an ultrasound at around 18-20 weeks (about four and a half to five months).

Normally, at this stage of pregnancy we can determine the baby's sex, but not always.

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16 Dec 2023 18:09

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14 Dec 2023 11:26

Best Times To Drink Water:

2 glasses after waking up -helps activate internal organs.

1 glass 30 minutes before a meal-helps digestion.

1 glass before taking a shower -helps lower blood pressure.

1 glass before going to bed -helps avoid stroke or heart attack.
🚰🚰🚰🚰🚰

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14 Dec 2023 06:54

Dimples on the cheeks are actually a genetic defect.

They mean that the muscles didn't grow properly and hollows formed between them.

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13 Dec 2023 04:40

Who invented E-Mail?

V.A. Shiva Ayyadurai.
In 1978, a 14-year-old named V.A. Shiva Ayyadurai developed a computer program, which replicated the features of the interoffice, inter-organizational paper mail system.

He named his program “EMAIL”. Shiva filed an application for copyright in his program and in 1982 the United States Copyright Office issued a Certificate of Registration, No. TXu-111-775, to him on the program. 

In the summer of 1978, Shiva had been recruited for programming assignments at the University of Medicine and Dentistry of New Jersey (UMDNJ) in Newark, New Jersey. One of his supervisors, Dr. Leslie P. Michelson, recognized his abilities and challenged him to translate the conventional paper-based interoffice and inter-organizational communication system (i.e., paper-based mail and memoranda) to an electronic communication system. 

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10 Dec 2023 02:59

What is Bandwagon Effect ?

The bandwagon effect is a psychological phenomenon in which people do something primarily because other people are doing it, regardless of their own beliefs, which they may ignore or override.

The bandwagon effect has wide implications, but is commonly seen in politics and consumer behavior.

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09 Dec 2023 02:01

Why Use Salt When Hard Boiling Eggs?

The most common reason to add salt to water when hard boiling an egg is to the increase the temperature of the water for better cooking.

Evidence also suggests that salted waterprevents an egg from cracking.

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07 Dec 2023 04:26

Why ants follow each other ?

It turns out that when ants find food, they secrete an invisible chemical called "trail pheromone" as they return to the next.

This trail leads directly from the nest to the food source. 

Otherworker ants then follow the trail right to the food.

Each worker then reinforces the trail on the way back.

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05 Dec 2023 02:41

What is the shortest sentence that has all 26 letters in the English alphabet?

Pack my box with five dozen liquor jugs.

This has thirty-two letters and repeats the letters i, e and o.
Brick quiz whangs jumpy veldt fox. 

The quick brown fox jumps over the lazy dog.

It contains three e's, two h's, four o's two r's, two t's, and two u's.

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03 Dec 2023 03:13

Is the earth's rotation slowing down?

Yes it is, due to a transfer of Earth's rotational momentum to the Moon's orbital momentum as tidal friction slows the Earth's rotation.

That increase in the Moon's speed is causing it to slowly recede from Earth(about 4 cm per year), increasing its orbital period and the length of a month as well.

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01 Dec 2023 06:05

What is melting point of human bones ?

The exact composition of these compounds varies upon the type of bones being used, but generally the formula for bone ash is: Ca5(OH)(PO4)3.

Bone ash usually has a density around 3.10 g/mL and a melting point of 
1670°C (3038 °F).

Most bones retain their cellular structure through calcination.

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29 Nov 2023 03:08

What Happens to Your Body When You're Kissing ?

The physical thrill may prompt your brain to cue up dopamine, a neurotransmitter associated with pleasure.

At the same time, other parts of your brain are shutting down negative emotions.

Your lip locking may also have prompted your pituitary gland (and his) to release oxytocin, the "bonding hormone."

You two might already be forming an emotional attachment.

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31 Dec 2023 06:30

What fish is the only one that can blink with both eyes?

A shark is the only fish that can blink with both eyes. Most fish do not have eyelids.

Only a few, like the shark, have nictitating eyelids, which consist of a membrane that closes over the eye like an upside-down eyelid.

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28 Dec 2023 09:16

Which animal has the best sense of smell?

An elephant's trunk is not only long, it is packed with five times more smell receptors than humans.

And now research has found that the African elephants have the greatest sense of smell among mammals - even beating dogs including the bloodhound renowned for its sniffing ability.

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24 Dec 2023 12:23

Where does the name Nokia come from ?

According to Wikipedia, The company's name came from the Nokia town situated on the banks of the Nokianvirta River.

The company started as a wood-pulp mill, and expanded into producing rubber products in the Finnish city of Nokia.

The company later adopted the city's name.

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17 Dec 2023 04:58

What happens during fruit ripening ?

The action of the enzymes cause the ripening responses.

Chlorophyll is broken down and sometimes new pigments are made so that the fruit skin changes color from green to red, yellow, or blue.

Acids are broken down so that the fruit changes from sour to neutral.

The degradation of starch by amylase produces sugar.

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16 Dec 2023 17:48

How to prevail in an argument?

Pretty simple. Start accusing your opponent of something.

➖"You just don't respect me!"
➖"Why are you raising your voice?!"
➖"You don't understand me!"

👉 The main thing I advise is to say these kinds of phrases as calmly as possible. Well and the cherry on the cake is your beautiful exit in English, that is, just after the phrase, turn around and walk away. And no, you won't act like a fool.

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14 Dec 2023 06:57

Thank You All for Making My dream Come True..🙏

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14 Dec 2023 04:54

Where Desert meets the Sea?

The Southern Namib desert is home to some of the tallest and most spectacular dunes of the world, ranging in color from pink to vivid orange.

These dunes continue right to the edge of the Atlantic Ocean.

The cold waters of the sea brushing against the dunes of the Namib desert is one of the most surreal sights.

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11 Dec 2023 03:45

What Is Braille?

Braille is a system of raised dots that can be read with the fingers by people who are blind or who have low vision.

Teachers, parents, and others who are not visually impaired ordinarily read braille with their eyes.

Braille is not a language.

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09 Dec 2023 02:02

Why does hot oil splatter on pouring water ?

Oil heats up faster than water because it has a lower specific heat capacity.

As it reaches past boiling point of water as the water is denser than oil so its at the bottom.

Then it turns into steam and the steam expands splashing the oil everywhere.

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08 Dec 2023 03:23

What the Olympic Gold medal actually made of ?

The last series of Olympic medals to be made of solid gold were awarded at the 1912 OlympicGames in Stockholm, Sweden. 

Olympic Gold medals are required to be made from at least 92.5% silver, and must contain a minimum of 6 grams of gold.

All Olympic medals must be at least 60mm in diameter and 3mm thick.

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07 Dec 2023 02:57

What is longest railway platform of the world?

The longest railway platforms are: Gorakhpur railway station, Uttar Pradesh, India:1,366.33 m (4,483 ft) (longest in the world) Kollam Junction, Kerala, India:1,180.5 m (3,873 ft) Kharagpur, West Bengal, India: 1,072.5 m (3,519 ft).

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03 Dec 2023 12:43

Why do we have eyebrows?

Their main function is hypothesized to prevent sweat, water, and other debris from falling down into the eye socket, but they are also important to human communication and facial expression.

It is not uncommon for people to modify their eyebrows by means of hair addition, removal and makeup.

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02 Dec 2023 13:59

What is deepest part of ocean ?

The Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans.

In 2010 the United States Center for Coastal & Ocean Mapping measured the depth of the Challenger Deep at 10,994 meters (36,070 feet) below sea level with an estimated vertical accuracy of ± 40 meters.

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29 Nov 2023 03:28

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28 Nov 2023 13:13

Why do house lizards hate egg shells?

If you place cracked eggshells around the house, in corners, and in windows, the occurrence of lizards should decrease noticeably. 

Lizards associate the broken shells with larger predators such as birds and larger reptiles.

Peacock feathers. This works on the same principal as the egg shell idea.

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