Extinct Animals That Came Back: What Really Happened

Some animals described as extinct have returned to the wild, but no species known to be completely extinct has been brought back through cloning or genetic engineering. The apparent comebacks involve species that survived in small numbers, were rediscovered after being presumed gone, or were reintroduced through conservation work. What “came back” can mean “Extinct

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Different Categories of Bugs and How They’re Classified

“Bugs” can mean several different things: in everyday speech, it often refers to insects and other small creatures, while in software it means defects that make a program behave incorrectly. The categories depend on which meaning you have in mind, so it helps to separate biological classification from software problem types. What Does “Bug” Mean?

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