Using fire to revive a fragmented prairie landscape

Although fire can kill some plants, many plants need fires to survive and flower. Entire habitats like tallgrass prairie depend on fires, which historically burned across thousands of acres of grasslands in North America ...

Clever fly offers lessons on advanced predator adaptations

The saffron robber fly (Laphria saffrana) is an extremely fast bee-colored hunter that has to determine, while perched, which insects it wants to chase and eat. This is complicated by the fact that its eyes have poor resolution, ...

New insights into the origin of food sharing among humans

As humans evolved to hunt, gather and share food, cooperation provided a key to our success as a species. While chimpanzees and other primates sometimes share food, humans stand out. As hunter-gatherers—the subsistence ...

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