Today I Learn

2022-06-12 03:15:50 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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2022-06-11 03:12:29 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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2022-06-10 09:43:52 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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2022-06-10 03:21:48 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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2022-06-09 09:24:20 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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2022-05-26 08:27:10 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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2022-05-20 04:49:22 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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2022-05-02 08:02:32 Register and Get $600 in Rewards. Also get $50 extra in your derivatives account to kick start your trading journey with Bybit.

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2022-05-02 08:01:36 Why value of 'g' is zero at center of Earth ?

From the Newtonian view, we know that gravity is a force exerted by everything that has mass.

Therefore, all the gravitational forces cancel out each other.

Therefore, the gravitational acceleration at the ideal center of the Earth is 0.

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2022-04-29 16:36:47 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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