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The Same N95 Mask Can Be Decontaminated at Least 25 Times, New Study Indicates

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With the enhanced virulence of the Omicron variant, some experts are urging us all to upgrade cloth and surgical masks to the much more protective N95s, but supply remains a concern. The limited supply is why this advice has so far been held back, but a new study may make this more feasible – suggesting … Read more

World’s smallest snail: Newly discovered land snail could fit inside a grain of sand

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By Chris Simms Angustopila psammion is the smallest known land snail Contributions to Zoology 2022 A newly discovered snail species is the smallest yet found on land. Angustopila psammion, discovered in cave sediment in northern Vietnam, has a shell just 0.48 millimetres high and a shell volume of only 0.036 cubic millimetres. This makes the … Read more

Anti-ageing: Mice treated with a chemical from grape seed extract live 9 per cent longer and are more physically fit

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A chemical derived from grape seeds selectively destroys worn-out cells in mice, allowing them to live 9 per cent longer than their untreated counterparts Health 6 December 2021 By Carissa Wong Grapes cut open to reveal their seeds Shutterstock / kholywood A chemical isolated from grape seed extract prolongs the lifespans of old mice by … Read more