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From the Community: street lamps, traffic lights and nuclear energy

Songbirds become disoriented by street lamps, plants adapt to the conditions near Chernobyl, a newly discovered spider spins gigantic webs with the strongest known biological material in the world, traffic light experiment shows promise of reducing emissions and easing traffic congestion and researchers discuss the Daily Show with Jon Stewart as an outlet for communication science to the public. Here are some of the latest stories in ecology for the second to last week in September.

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Female jumping spiders fight to the death

Male jumping spiders (Phidippus clarus) size one another up before engaging in a fight—whether the aggression is based on rights to mating or territory—and in many cases, the pre-fight displays are sufficient to deter physical contact. The males do not nest but instead wander between female nests looking for opportunities to mate. The females, on the other hand, are not nomads—they build nests from silk and leaves in which they wait while they draw closer to sexual maturity.

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Protecting the elusive, cave-dwelling troglobites

“Who will speak for the imperiled troglobites? Charismatic megafauna, they are not. Troglobites—not to be confused with troglodytes (cavemen) or trilobites (extinct arthropods)—are neither warm-blooded nor fuzzy. Most are invertebrates, including insects and crustaceans, but there are also troglobitic fish and amphibians—and all are as weird as they are rare.”

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