Test # 99
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1300 questions in 130 tests. Each test contains 10 questions.
Idiom of the Day
play (someone) off against (someone)
to scheme in a manner that pits two of your opponents against each other
Our supervisor is always trying to play one group of employees off against another group.
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Back from the Dead
This beetle is a predator in the water but vulnerable in the wider world.Graphoderus bilineatus, a European water beetle, is listed as a vulnerable species by the International Union for Conservation of Nature, and was thought to be locally extinct in Germany. But researchers with the Barcoding Fauna Bavarica project in Germany discovered that these beetles are still kicking around. The project is part of a larger scientific push to barcode species based on DNA snippets, enabling researchers to identify flora and fauna more accurately. Researchers engaged in barcoding projects convene these week in Adelaide Austraila for the fourth annual International Barcode of Life Conference.