Scientists discover bigger, more venomous species of deadly funnel-web spider, nicknamed "Big Boys"
The deadly 3.54-inch-long spider Atrax christenseni is among the most dangerously venomous spiders for humans.
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On Apache lands, progress in a long war against ticks and the disease they spread
Rocky Mountain Spotted Fever, the deadliest tick-borne disease in the U.S., is a big problem on tribal lands in the Southwest ...