organic pesticides kill bees

Pesticides. It’s just one of those words that make you cringe. We’ve been wary of them for years, and recent pollinator declines aren’t making us feel any more approving. What many consumers and policy-makers fail to realize, though, is that organic alternatives might not be much better.  Until recently, organic-approved pesticides haven’t really been a cause for concern….

Signal Crayfish - Pacifastacus leniusulus

When talk about invasive species includes mention of their parasites, stories usually focus on an absence of the later. In fact, when species invade new habitats, one of their biggest advantages is liberation from their usual “bugs.” There are several ways that invasive species escape their parasites, and studies show that relatively few are replaced by parasites native to invaded ecosystems . This means…

Koalas are in danger of extinction

Habitat loss and degradation remains one of the leading threats to wildlife around the world. And even when large tracts of land are left intact, habitats can be fragmented by the construction of roads, railways, and power-line right-of-ways. Animals that are unable to traverse these structures can become isolated and unable to find food or mates….

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Scientists now believe that scorpions’ fluorescent exoskeletons may help them to find cover during the night. The scorpion’s cyan-green glow can be attributed to two chemicals, noharmane and hymnecromone, that are deposited in the exoskeleton during sclerotization, a biological process by which arthropods are able to harden their exoskeletons. Interestingly, neither young nor recently molted…