Researchers at the University of Waterloo have developed a lightweight, flexible polymer material that could replace lead in X-ray aprons while providing comparable protection from harmful radiation. By incorporating specially engineered tungsten nanoparticles into a silicone-based nanocomposite, the team created a shielding material that is nearly 90 per cent lighter than traditional lead aprons, potentially reducing the back and neck injuries commonly experienced by health-care workers who wear them for extended periods.

Marine wildlife trafficking is big business, raking in billions of dollars every year and threatening species’ survival and the health of ecosystems. But trafficked sea creatures are often concealed in ordinary travelers’ luggage or packages, which makes it hard to spot and seize illicit shipments. Now scientists have used a neural network, a form of AI, to teach an algorithm to spot three commonly trafficked products — shark fins, sea cucumbers, and dried seahorses — in CT scans of bags like those taken at airports. The algorithm, which had a 92% success rate in testing, could help detect marine wildlife trafficking at scale and stop the trade in progress.