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Graphene is incredibly thin and light, and prevents all but the smallest molecules from passing through it (it’s an excellent water filter, for example). Condoms, though an excellent barrier against unwanted contaminants, are neither thin nor light — which is why they reduce sensation, and why some people really don’t like wearing them. The Bill and Melinda Gates Foundation, realizing ...

No waste in a manger for bright spark Darrel Piper [CASCADE] Darrel Piper has turned off his costly central heating system and replaced it with thousands of Christmas lights, which emit enough warmth to see him through the bitter winter. The 40-year-old, from Dumfries, believes the bizarre approach will see him save a significant amount on the spiralling prices charged ...