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Why do we still have offshore oil wells? How do they work?

The oil spill that's fouling Southern California beaches has many Californians wondering why the state still has offshore oil wells more than 50 years after the state declared an end to new drilling, and more than 35 years ...

There's now a gas station in space

According to the Union of Concerned Scientists (UCS), over 4,000 operational satellites are currently in orbit around Earth. According to some estimates, this number is expected to reach as high as 100,000 by the end of this ...

Bayer loses another appeal against Roundup cancer verdict

German pharmaceutical and chemical giant Bayer lost another appeal against a verdict that found its Roundup weedkiller causes cancer, the latest setback in its bid to end thousands of lawsuits over the product.

Bacteria navigate on surfaces using a 'sense of touch'

Many disease-causing bacteria such as Pseudomonas aeruginosa crawl on surfaces through a walk-like motility known as "twitching." Nanometers-wide filaments called type IV pili are known to power twitching, but scientists ...

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