Grassy beginning for earliest Homo

In 2013, an ASU research team found the oldest known evidence of our own genus, Homo, at Ledi-Geraru in the lower Awash Valley of Ethiopia. A jawbone with teeth was dated to 2.8 million years ago, about 400,000 years earlier ...

Ant pheromones may help protect hikers and campers from ticks

If you're outside enjoying the spring sunshine, then chances are, ticks are too. However, new research from Simon Fraser University (SFU) suggests the use of ant pheromones as a topical repellent, or as an environmental barrier, ...

Cannibalism and genome duplication in nematodes

Researchers at the Max Planck Institute for Biology have produced intriguing evidence of how environmental factors and genetic adaptation can lead to the evolution of novel and aggressive traits and behaviors in nematodes.

New framework embraces uncertainty to make sense of history

There are many things we don't know about how history unfolds. The process might be impersonal, even inevitable, as some social scientists have suggested; human societies might be doomed to decline. Or, individual actions ...

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