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أكاديمية سبيلي Sabeeli Academy
An Error-Free System: Blood Clotting

An Error-Free System: Blood Clotting

If there is bleeding, the clot should form immediately in order to prevent the creature from dy ...

Penguins in Their Tuxedos

Penguins in Their Tuxedos

After an incubation period of two months, the male penguin loses 1/3 of his weight. In the same ...