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Silk spun by graphene-fed spiders is one of the strongest materials on Earth

Scientists have found a way to increase the overall strength and durability of spider silk. After feeding a spider a small amount of graphene and carbon nanotubes, the creature produced webs that were five times stronger than normal.

Spider webs are already strong enough to restrain small insects unlucky enough to fly into them, and soon, they may be capable of carrying the weight of a person.

In a new study published in 2D Materials, Nicola Pugno at the University of Trento in Italy and his team detail how they cranked arachnids’ already impressive metabolic process up to 11 by adding graphene and carbon nanotubes to a spider’s drinking water.

Afterward, the spider produced silk as it normally would, but the silk was five times stronger, putting it on par with the likes of pure carbon fibers and Kevlar — the strongest materials on Earth.

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The world’s most detailed scan of the brain’s internal wiring has been produced by scientists at Cardiff University.

Not only does the scan show the direction of the messaging, but also the density of the brain’s wiring. Conventional scans clearly show lesions - areas of damage - in the brain of MS patients.But this advanced scan, showing axonal density, can help explain how the lesions affect motor and cognitive pathways - which can trigger movement problems and extreme fatigue.

Prof Derek Jones, CUBRIC’s director, said it was like getting hold of the Hubble telescope when you’ve been using binoculars. “The promise for researchers is that we can start to look at structure and function together for the first time,” he said.

if you’re going back to school or you’re already in school…good luck! Study hard but remember to get enough hours of sleep  ❤

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5 things you didn’t know about...bone-healing nanofibres

Credit: Riitta-Leena Inki

1. They are thin-film and fibrous biomaterials with similar structures and regeneration rates to that of bone.  

2. They were developed by Jani Holopainen, a doctoral researcher in the Department of Chemistry at the University of Helsinki, Finland.

3. The hydroxyapatite fibres are produced on a needleless, twisted wire electrospinning apparatus.

4. They could be used in bone implants and as scaffolding for bone regeneration. Cellular tests have been made already, but medical application is a way off.

5. The nanofibres would be used as a scaffold on the bone fracture or fault, activating the bone cells to reproduce. As the new cells are generated the nanofibres disintegrate, meaning there would be no need for further surgery to remove the nanofibre scaffold.

Find out more about this on page 21 of the upcoming March issue of Materials World.