Mercury is very toxic and can cause long-term health damage, but removing it from water is challenging. To address this growing problem, University of Minnesota College of Food, Agricultural and Natural Sciences (CFANS) Professor Abdennour Abbas and his lab team created a spongethat can absorb mercury from a polluted water source within seconds. Thanks to the application of nanotechnology, the team developed a sponge with outstanding mercury adsorption properties where mercury contaminations can be removed from tap, lake and industrial wastewater to below detectable limits in less than 5 seconds (or around 5 minutes for industrial wastewater). The sponge converts the contamination into a non-toxic complex so it can be disposed of in a landfill after use. The sponge also kills bacterial and fungal microbes.

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The world is seeing the human cost of climate disruption playing out across the Horn of Africa. Severe droughts, erratic rainfall and rising temperatures have tipped nations towards famine and left communities fighting for survival. But it's also a man-made crisis and one that we can address both in the short and long term reports Joe Ware.

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