Picaridin and Lemon Eucalyptus Beat DEET for Repelling Insects. Consumer Reports recruited volunteers to test out spray-on repellents made of DEET, oil of lemon eucalyptus, picaridin, a chemical called IR3535, and products made with natural plant oils.
One of those languages, Oscan, appears alongside Latin on inscriptions and graffiti preserved in the city of Pompeii, for instance, said Pedar Foss, professor of classical studies at DePauw University, Greencastle, Indiana.
It is possible that either Chinese or Greek were the first, but Greek has the first written texts, from what archaeology studies have unveiled. Tamil is the oldest language now in use that is spoken by more than 65,000,000 people. please don't compare Tamil with sanskrit ..Tamil is classical language ..