Microbial communities stay healthy by swapping knowledge

Biomedical engineers at Duke University have demonstrated a microbial community phenomenon that essentially equates to teaching neighbors how to complete necessary tasks by ripping out and sharing parts of the brain.

Graphene as 'the philosopher's stone': Turning waste into gold

Throughout history, alchemists believed in the existence of the philosopher's stone: a substance that could turn cheap substances into precious gold. Now scientists from The University of Manchester, Tsinghua University in ...

Stickers and a smartphone for easy nitrite detection on foods

Nitrates and nitrites give processed meats their characteristic pink color and robust flavor. Although many consumers want to limit consumption of these preservatives because the substances can form potentially cancer-causing ...

EPA: 'Forever chemicals' pose risk even at very low levels

The Environmental Protection Agency is warning that two nonstick and stain-resistant compounds found in drinking water are more dangerous than previously thought—and pose health risks even at levels so low they cannot currently ...

Studying ways to maximize environmental benefits of green algae

There's a special class of green algae that has the potential to revolutionize sustainability efforts. These so-called diatoms are abundant in nature and their structures could be used for environmentally friendly, high-value ...

Standard method to evaluate emerging flat lens technologies

Perhaps you are wearing glasses while reading this or have a cell phone, binoculars, a virtual reality headset or telescope. All of them rely on high-quality lenses, which are bulky, expensive and heavy—especially when ...

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