A common symptom of not getting enough quality sleep is ‘brain fog’ — when thoughts aren’t as clear and focused as they should be.
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We live in a world where we frequently do not get enough sleep, but we need sleep if our brains are going to stay healthy and function efficiently.
Pluto was recategorized from a planet to a dwarf planet in 2006.
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A curious kid asks: Why does it matter if Pluto is a planet or a dwarf planet?
Children march in a parade marking the 70th anniversary of the end of the Second World War, in Rostov-on-Don, Russia, about 100 kilometres east of the Ukraine border, in May 2015.
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Russian President Vladimir Putin wants parts of Ukraine to be closer to Russia, and would like to prevent Ukraine from becoming part of NATO.
Although it appears that some dogs can catch COVID, you don’t have to worry!
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A curious kid asks: Can dogs catch COVID-19?
The dreams of a person without sight since birth can be just as vivid and imaginative as those of someone with normal vision.
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A curious kid asks: what do blind people experience in their dreams?
The sky can be so many different things: it can be big, beautiful and blue, or grey, cloudy and rainy. It can also be full of stars, or full of orange and red clouds at sunset or sunrise.
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A young reader asks: What is the sky?
Humans are constantly changing our languages in terms of sounds, words, meanings, and grammar, so much so that it becomes increasingly difficult to understand our own distant relatives across time and space.
(Unsplash/Lucrezia Carnelos)
A young reader asks: How are languages formed?
Chipmunks have a superpower: hibernation.
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Squirrels and chipmunks are distant cousins who have grown a little more apart from each other over millions of years.
A natural color image of Pluto taken by NASA’s New Horizons spacecraft in 2015.
(NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Alex Parker)
A young reader asks: Is Pluto a planet?
Teachers walk the picket line outside Northern Secondary School in Toronto, on Dec. 4, 2019.
THE CANADIAN PRESS/Cole Burston
Short answer: they don’t. But striking teachers often receive a bit of financial help during a strike from money they themselves have already paid to their unions.
There are many moons in the galaxy, but only ours is called the moon.
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Young readers ask: How did our moon get its name?