August 31, 2022
  • August 31, 2022

Can hot water freeze faster than cold?

by on February 15, 2022 0

Not always, but sometimes hot water freezes faster than cold water. Noted by scientists since Aristotle’s time (4th century BC), this phenomenon is now known as the Mpemba effect after Erasto Mpemba, a schoolboy from Tanzania. He claimed in his science class that ice cream would freeze faster if it was heated first before...

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Who is Satoshi Nakamoto?

by on February 15, 2022 0

This name is well known in the world of crypto. It is likely to be a pseudonym for a person or a group of people who developed the first cryptocurrency in the world – bitcoin, authored the bitcoin white paper, and created and deployed bitcoin’s original reference implementation. It’s generally believed that the work...

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What are the longest words in English?

by on February 15, 2022 0

“Methionylthreonylthreonylglutaminylarginyl…isoleucine”, the chemical name of “titin” (also known as “connectin”) is the largest known protein and is considered being the longest word in English. It has 189,819 letters. According to the Oxford English Dictionary, the longest word is “pneumonoultramicroscopicsilicovolcanokoniosis” at 45 letters long. It is a lung disease caused by the inhalation of silica...

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Can dogs understand humans are speaking different languages?

by on February 15, 2022 0

To answer this question, scientists scanned the brain of dogs while they were listening to audio records first in a language of their master and then in a “foreign” language. They found that one of the brain regions — the secondary auditory cortex — showed different neurological responses to the language that dogs were...

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Who invented Bluetooth and how does it work?

by on February 15, 2022 0

Bluetooth is a method of short-range wireless communication between electronic devices that harnesses the power of radio waves. But if the radio spectrum stretches from 30 Hz to 300 GHz (the lower the frequency, the longer the range), Bluetooth operates at 2.4 GHz, which gives it the right balance between range and data quality....

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When did humanity realize the risks of climate change?

by on February 8, 2022 0

Over 3,000 years ago, in Ancient Greece, people debated whether draining swamps or cutting down forests might bring more or less rainfall to the region, but these documented climate change discussions had a local focus. In 1896, building up on works of other researchers, a Swedish scientist Svante Arrhenius (1859-1927) became the first person...

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What countries have the most islands?

by on February 8, 2022 0

Three Scandinavian states are the world’s leaders in terms of islands being part of their national territory. Sweden is home to 221,800 mostly uninhabited islands. This number includes islands as small as 270 square feet (25 square meters), which is about the size of a one-car garage. Finland, the runner-up, has about 188,000 islands,...

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How many tree species inhabit the Earth?

by on February 8, 2022 0

Based on the latest global ground-sourced data, scientists estimate that there are ∼73,000 tree species globally, among which ∼9,000 tree species are yet to be discovered. Roughly 40% of undiscovered tree species are in South America. Moreover, almost one-third of all tree species to be discovered may be rare, with very low populations and...

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What are top 10 countries with the most trees?

by on February 8, 2022 0

There are over three trillion trees in the world and here are top 10 countries where most of them grow. 1. Russia isn’t only the biggest country by size but it also has the largest number of trees covering approximately 8,249,300 sq. km which is almost equal to 45% of the country’s total land...

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