Pets might not protect us from the coronavirus, but they can help us get better.
It is very hard to stop wars, but we must try.
Have you ever felt a piercing pain in your head when you eat something cold?
All chameleons are able to change colour at least a little bit, but some species can do it much more than others.
When we yell, our vocal cords bash together extra hard, causing them to get sore and swollen. The swelling can develop over a few hours so you might notice hoarseness more the next day.
A young reader asks: Is Pluto a planet?
Grownups don't get taller, but they can grow in other ways.
Bees aren't the only species that has a queen.
Our bodies are made up of cells that multiply to repair our organs. But organs like our liver and skin are better at regeneration than our brain.
A mass extinction 66 million years ago killed the non-bird dinosaurs, but plants survived.
Accents differ depending on where we're from, even in the same country.
When the holes – also called ‘eyes’ – don’t appear in a batch, cheesemakers say the cheese is 'blind.'
Leaving your coat at home on a cold winter day doesn't automatically mean you're going to get sick. But it could make you more susceptible to germs.
We can answer this question by looking at the differences between the first, second and third layers of our skin.
You've had your own personal set of fingerprints since before you were born, and they'll be with you throughout your whole life.
Atmospheres can be all different colours, depending on what's in them.
Languages are always changing and evolving- largely because humans have alwasy been on the move.
Spit, drool, dribble, slaver, slobber or sputum – saliva has many different names. It also has many different jobs.
Authors sometimes put deeper meanings into their stories, but really, it's the reader who decides.
The sound comes from our lungs and our voice box, which is at the front of the throat. Here's how it works.