I’m sure you know that everyone’s taste in music is different. Some people like pop music, while others like rock ’n’ roll and still others enjoy country […]
Vaageesha Das
Why do some things float in water but others don’t?
To understand the answer to that question, we must understand density first. Density is mass divided by volume. Volume is how many cubic units a 3-D object […]
What are the different types of blood groups and why do they exist?
Our blood is primarily made of red blood cells, white blood cells, platelets and plasma. Plasma is a clear liquid containing water, salts, enzymes, antibodies and other […]
Why do women live longer?
Typically, but not always, women end up living longer than men in most parts of the world. In present-day United States, men have a 60% higher mortality […]
How birds fly
Sometimes, when I see birds, I imagine what it’s like to be them, to fly in the vast sky, chirp sweet music and see the world from […]
How does nanotechnology revolutionize the world?
Physicist Richard Feynman is the father of nanotechnology. A nanometer is 10-9, or a billionth, of a meter. Nano is Greek for the word dwarf. There are […]
What is a SIM card?
If you have a cellphone, you may know that you need a SIM card or the phone won’t work. But what exactly is the SIM card, and […]
What happens when rocks get close to the sun
Why and how do meteor showers occur? When it comes to Solar System, in addition to the planets, there are other objects orbiting the sun. Planets revolve […]
Roads have seen much change
By Vaageesha Das What are roads made of? Some roads are bumpy because they are filled with potholes. Other roads are as smooth as can be, while […]
Microwaves are more complex than we think
By Vaageesha Das Whenever we are hungry and in need to heat some food up, we usually use the microwave. The microwave warms the food in the […]