World of Knowledge

2021-06-16 06:04:01 If you own an electric car in Norway, you get free public parking, free ferry and toll road access, and the right to drive in bus lanes.
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2021-06-16 02:59:01 It's much easier to give advice than to take it.

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2021-06-15 20:58:01 Priced at $39 million per gallon, the most expensive liquid in the world is scorpion venom.

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2021-06-15 18:57:01 How does a pulse oximeter work?

Small beams of light pass through the blood in the finger, measuring the amount of oxygen. It does this by measuring changes of light absorption in oxygenated or deoxygenated blood. This is a painless process. The pulse oximeter will thus be able to tell you your oxygen saturation levels along with your heart rate. Open / Comment

2021-06-15 17:56:01 ​​Why Sand Is Thrown On The Tracks Covered With Snow?

If the tracks are covered with snow then there is a substantial reduction in frictional force between the track and the train wheels or vehicle tyres and road which corresponds to the train being skidded. Therefore driving is not safe. If sand is thrown on the snow-covered tracks or roads the friction force increases so that safe driving is achievable.

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2021-06-15 15:54:01 Babies start dreaming even before they're born

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#amazing Open / Comment

2021-06-15 14:53:01 It's impossible for you to breathe and swallow at the same time.

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#try_this Open / Comment

2021-06-15 11:51:01 Left-handed people are often better at remembering life events than right-handed people.

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2021-06-15 10:04:33 Putting salt on a pineapple slice will make it taste sweeter.

The salt reduces the pineapple's acidity, decreasing any sourness.

#must_try

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2021-06-15 09:54:50 The most searched for word on Bing is "Google."

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