Microscale knots double tensile strength of new material

Knots are known for boosting the strength of materials, and now Caltech engineers have developed a new material consisting of microscale knots, showing that it’s far tougher than a version of the material made of the same stuff without knots.

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Hydrogel-based sensor improves outlook for people with overactive bladder

Overactive bladder syndrome can interfere with a person’s daily activities and affect their mental health. A new hydrogel-based sensor can continuously monitor overactive bladders and potentially improve the treatment of the condition.

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Bacteria-based coating protects distillery buildings from the elements

Bacteria often get a bad rap, but in many cases they’re helpful little critters. Engineers have now developed a protective coating for buildings that’s loaded with bacteria, which absorb CO2 to produce a barrier against erosion by the elements.

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Bacteria genetically engineered to seek and destroy tumors

Cancer tumors are particularly adept at evading the body’s immune response, making treatment difficult. A new study has genetically engineered a common gut bacteria, enabling it to seek out and destroy cancer tumors from the inside.

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Eco-friendly, fire-resistant cladding material is made of recycled glass

Although glass is known for being fully recyclable, the US Environmental Protection Agency states that only about one third of post-consumer glass actually gets recycled. A new glass-based building cladding material could help boost that number.

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Semi-transparent solar cells boost growth of greenhouse plants

Solar farms and agriculture are competing for land. UCLA Scientists have now tested a way to combine the two by placing semi-transparent solar cells on the glass roofs of greenhouses, finding that they actually improve the growth of plants inside.

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Largest study of its kind finds new genetic links to prostate cancer

Men of African descent have a far higher incidence of prostate cancer. A new meta-analysis, the largest to date, has identified new genetic variants specific to men with African ancestry, which could change the way the disease is detected and treated.

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Oral pill cuts bad cholesterol by 60% in phase 2 clinical trial

High cholesterol levels are a common and potentially deadly health problem, but a new drug could help more people manage the condition. An experimental pill has been shown to reduce levels of “bad” cholesterol by 60% in a phase 2 clinical trial.

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Study suggests a mix of trees works best for cleaning air in cities

We all know that trees help clean the air in cities, but which trees do so best? According to new research conducted in Sweden, a mixture of deciduous and coniferous trees will give you the most bang for your buck.

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Laser used to spot and identify bacteria in a matter of minutes

Currently, in order to see what type of bacteria (if any) are present in a liquid sample, bacterial cultures have to be grown in a lab over the course of several hours – or even a few days. A new laser technique, however, works in just minutes.

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