Gizmodo : Environment

New research appears to highlight another tragic aftereffect of the 9/11 terror attacks. Scientists have found evidence that responders exposed to dust and debris from the collapse of the World Trade Center are more likely to develop early onset dementia. The findings also suggest that protective personal equipment…

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Gizmodo

On July 4, 1997, a tiny, flat robot touched down on the surface of Mars and became the first wheeled vehicle to roam around on another planet. Since then, a fleet of Martian rovers have followed in the tracks of Sojourner and they have become bigger, better, and more autonomous over the years.

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