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"Cannibals prefer those who have no spines."

Physics

Why does the moon appear bigger near the horizon?»
Sometimes, you may have watched the moon near the horizon and wondered "Why is the moon ...
What is a galaxy?»
A galaxy is a huge collection of stars, their solar systems, dust and gas. It is held ...
In how much time does moonlight reach the earth?»
Moonlight takes approximately 1.28 seconds to reach Earth's surface. Light travels ...
What is transit mean in space?»
When one object crosses in front of another in space, it is known as transit. For ...
Why do planets orbit stars?»
Planets orbit stars because they are not traveling fast enough to escape the star's ...

Chemistry

If water contains oxygen and there is fuel and heat, can a fire burn in water?»
You need three things for a fire, right? Fuel, oxygen, heat. So if hydrogen is ...
What do chemists do?»
Chemists . One of the physical sciences is chemistry. Chemists study chemicals and other ...
What exactly is nuclear energy?»
All things - even you - are made up of billions and billions of “bits” that are ...
What is Chemical Energy?»
You have seen candles burning. An orange flame dances around the wick, while the wax ...
How will you be able to tell whether the material is a solid liquid or gas?»
A stone wall is hard, water is wet, and the air is invisible. But they are all matter, and ...

Biology

What is the importance of feathers in birds?»
You know that all birds have feathers. Some feathers are quite beautiful. But what are ...
How does a baby bird get out of the egg?»
Inside an egg, a tiny baby bird is curled up in a ball. Its head is bigger than its body. ...
Why do different birds make different kinds of nests?»
It’s springtime. A bird flies by with a piece of red string in its mouth. Soon it flies by ...
What makes a bird different from any other animal? »
Not its wings. Some other animals have wings, too. Not its bill. Some other animals ...
What are the largest sea mammals?»
The Largest Mammals A humpback whale swims near the top of the water. From time to ...