Sea otters can break the shell on a shellfish by hitting it against a stone resting on their belly. This can look like clapping. Some even have a favourite stone they carry around in their armpits.
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Articles sur Curious Kids
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Those “itchy bites” are actually reactions to mozzie spit.
You can see glow-in-the dark paint, but if you touch it, it is just as cold as the bedroom wall. So the glowing of the paint is different to the glowing of a light bulb.
Imagine This, a new podcast by ABC KIDS listen based on The Conversation’s Curious Kids articles, brings science to life for little ones, with brilliant sound effects and wonderful storytelling.
Dogs don’t follow the rules on larger animals living longer. A 70kg Great Dane is lucky to reach seven years, but a 4kg Chihuahua can live for 10 years or more.
Instead of pulling us to the top or bottom, the force of gravity pulls us to the middle of the Earth.
People have wondered for years and scientists still don’t know for sure.
The seahorse dads carry the babies in a pouch.
The short answer is no. An individual of one species cannot, during its lifetime, turn into another species. But your question helps us think about life, evolution and what it means to be human.
Sweat comes from special parts in our skin called glands. You might be able to see them if you have a very strong magnifying glass.
Wind is just air moving from one place where there is high pressure to another place where there is low pressure.
To stay up, the bird must overcome gravity with a force called ‘lift’.
Flies need good grip because they often sleep upside down.
Some spiders produce silk than can actually be stronger than steel and 50 times as light.
Hiccups serve no clear purpose. Tadpoles have a hiccup reflex which helps keep their lungs safe while they transition. So our hiccup reflex might be from our amphibian ancestors.
Human eyes don’t have x-ray vision. But we can use radiography machines to allow our eyes to see inside things the human eye cannot.
Birds can usually sense when they are not feeling well and like many other creatures, seem to seek out-of-the-way places to be alone.
Magnets, air blowers, centrifuges, crushers: your recyclables go through a lot before they get turned into something else.
In short, pain medicine is able to block the processes that cause the feeling of pain. To understand why, you need to know a bit about how pain works.
The short answer is that while lava is hot, it’s not hot enough to melt the rocks that make up the side of the volcano.
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Reader in Astrophysics, Keele University
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Associate Professor, School of Animal and Veterinary Science, University of Adelaide
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PhD Candidate, The University of Queensland
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Professor of Astronomy, UMass Lowell
