Katrina Kaif Hd Images News

Katrina Kaif Hd Images wallpapers


How it works

what is life

Look around you. All the stuff, or matter, in the world is either living or non-living. Stuff such as rocks, metals, plastic, water, and air are non-living. ... read more

nuclear energy

The protons and neutrons of an atom release nuclear energy when they break apart. Every atom contains a lot of energy. The forces that hold the atom together are the strongest forces that scientists know of. ... read more

genetics

Humans, like all living things, reproduce. When they do, they pass along a ‘code’ to their offspring. The code is like a set of instructions or directions. It tells the cells of the offspring how to develop and grow. Genetics is the ... read more

how corsets worked

The style craze that deformed bones and distorted bodies – all in the name of fashion. ... read more

poisonous plants

They may look harmless, but some species of flora can be fatal. It takes four castor seeds to kill a human, but 80 to kill a duck. ... read more