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image: Spiders, Prey Leave DNA

Spiders, Prey Leave DNA

By Bob Grant | November 30, 2015

A study of black widow spiders suggests that the arachnids leave traces of their own genetic material and DNA from prey in their sticky webs.

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image: Buzzed Honeybees

Buzzed Honeybees

By Karen Zusi | October 20, 2015

Caffeinated nectar makes bees more loyal to a food source, even when foraging there is suboptimal.

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image: One-Third of Cactus Species Threatened

One-Third of Cactus Species Threatened

By Karen Zusi | October 6, 2015

A global assessment of declining cacti populations places responsibility on increasing human activities.

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image: Butterflies in Peril

Butterflies in Peril

By Bob Grant | August 12, 2015

Several recent studies point to serious—and mysterious—declines in butterfly numbers across the globe.

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image: Mimicry Muses

Mimicry Muses

By Mary Beth Aberlin | August 1, 2015

The animal world is full of clever solutions to bioengineering challenges.

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image: 1 + 1 = 1

1 + 1 = 1

By Jenny Rood | July 1, 2015

Nutrient levels in soil don’t add up when food chains combine.

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image: Intelligence Gathering

Intelligence Gathering

By Mary Beth Aberlin | July 1, 2015

Disease eradication in the 21st century

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image: Ravenous Invasive Worm Now in U.S.

Ravenous Invasive Worm Now in U.S.

By Bob Grant | June 25, 2015

Researchers have found the New Guinea flatworm, one of the world’s most invasive species, in Florida, putting native ecosystems at serious risk.

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image: Climate Change Speeds Extinctions

Climate Change Speeds Extinctions

By Kerry Grens | May 3, 2015

Species die-offs are expected to accelerate as greenhouse gases accumulate, according to a meta-analysis.

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image: Bees Drawn to Pesticides

Bees Drawn to Pesticides

By Kerry Grens | April 24, 2015

One study shows the insects prefer food laced with pesticides, while another adds to the evidence that the chemicals are harmful to some pollinators.

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