concave lens, convex lens – A concave lens is thinner at the center; a convex lens is thicker at the center. More…
plank, board – A plank is thicker than a board. More…
clotted cream – Cream made thicker and richer by cooking. More…
skin – The term for the thin, tight covering on carrots, potatoes, grapes, and peaches—but also the thicker covering of bananas and avocados. More…
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An expression used to acknowledge that one understands a joke made by someone else, and to either show appreciation or a lack thereof for the wit employed. Watch the video
Despite its diminutive size, the golden poison frog is one of the deadliest creatures in the world. Native to Columbia, the poisonous—but not venomous—frog contains enough of the rare neurotoxin batrachotoxin to kill 10 humans. Indigenous peoples use the toxin on the tips of poison darts and arrows. The intelligent frogs are seemingly unafraid of potential predators. They do not produce the toxin themselves, and lose their toxicity in captivity. Where, then, do they acquire the toxin?
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A complex of Nazi concentration camps in northern Austria, Mauthausen-Gusen was the scene of terrible atrocities during World War II. Originally affiliated with the Dachau camp, it acquired dozens of its own satellite camps by the end of the war. Though the death toll at Mauthausen-Gusen is unknown, it is estimated that more than 100,000 died there. Many prisoners were used for slave labor in local industries. One quarry was home to the “Stairs of Death,” where prisoners were forced to do what? Discuss
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Definition: (noun) An unrestrained expression of emotion.
Synonyms: effusion, outburst, blowup, gush.
Usage: The count bit his lips till the blood almost started, to prevent the ebullition of anger which his proud and irritable temper scarcely allowed him to restrain.
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