Another way to spot intelligent life! – While we keep hoping that disclosure will come soon, scientists are trying to figure out how to spot alien life. One clue might be the pollution they leave behind.
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We know that the tiny particles in air pollution can clog our arteries, leading to heart attacks, but now researchers have found a connection between diesel emissions and cancer. We need to start running our trucks on biofuel!

Diesel exhaust exposure levels in the study were designed to mimic the exposure people might experience while living in urban areas and commuting in heavy traffic. The connection lies in the ability of diesel exhaust to induce the growth of new blood vessels that serve as a food supply for solid tumors. These blood vessels sprouted in mice exposed to diesel exhaust than did in mice exposed to clean, filtered air. Some of the mice were sick, but others were healthy, suggesting that cancer may perhaps be CAUSED by diesel exhaust.
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It’s due to pollution: Do YOU live in one of these places? – If you do, be sure to eat your broccoli! We are used to thinking of heart disease as a product of genetic factors or lifestyle choices, such as what we eat and how much we exercise. There is another road to heart disease: breathing.
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It’s especially bad around SCHOOLS! – Despite our best efforts, we sometimes still pollute, but our air IS getting cleaner. A new study shows that average life expectancy in 51 US cities increased nearly three years over recent decades, and approximately five months of that increase is thanks to cleaner air?that’s GOOD news. But another study reveals that air pollution is dangerously high around schools that are located near some US industrial plants?that’s BAD!
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