From the first puff, smoke begins its damaging journey through the body. A cigarette may seem small, but it carries more than 7,000 chemicals, including at least 70 known carcinogens. The heat and ...
A volcano can casually puff out perfect smoke rings into the sky. There is a simple science behind these rare volcanic vortex rings. Imagine a mighty volcano casually blowing flawless smoke rings into ...
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