Elements necessary for humans
At present there are 118 elements listed in the periodic table. Some of these elements are commonly found on the earth in the form of ores. Some are radioactive and have very short half...
This blog is about observations around and thoughts which come to the mind.
It is a scientific fact that all living things evolved from the simplest single cell bacteria. These are called cyano-bacteria or green algae. They were the first harvesters of sun energy using photosynthesis and...
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