Koalas can quickly climb trees with their long curled arms, and sharp claws and paws that hold ...
We have seen in the last two chapters that man bears in his bodily structure clear traces of hi ...
In the electrical equipment we use in everyday life, the strength of the electricity used—that ...
When earth appeared for the first time, there were no creatures on it. There were only some ina ...
The sudden origination of a complex structure in a complete form out of the blue shows that it ...
In moments of danger, the insect squirts hydrogen peroxide and hydroquinone stored in its body ...
The hard and resistant nature of wood is the result of the cellulose fibres it contains. Becaus ...
Garden spiders sometimes spin their web between two distant branches. Since such webs are quite ...
By the time the ewe gives birth to her lamb, she never forgets its smell and the taste she sens ...
The generations succeeding Adam could also speak, had feelings, felt sorry or excited, wear clo ...
Electrons and protons of an atom are equal in number, because positively charged protons and ne ...
The antenna signals created by touching in ants are used for various purposes like commencement ...
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