Study finds human population expanded during late Stone Age

Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona Research Laboratory's Division ...

A new tool for tracing the family trees of cells

EPFL researchers have developed GEMLI, a pioneering tool that could democratize and vastly improve how we study the journey of cells from their embryonic state through to specialized roles in the body, as well as their changes ...

Gene flow in giraffes and what it means for their conservation

Giraffes are a beautiful and powerful example of what adaptive evolution can achieve. However, in recent years, they have attained notoriety for a completely different reason: it has been suggested that instead of one giraffe ...

Male beetles neglect their genomes when competing for females

Male beetles face a trade-off between competing with other males for mating opportunities and repairing damage to their sperm DNA, according to a study published April 4 in the open access journal PLOS Biology by Mareike ...

Tale of terroir: Porcini mushrooms evolved to local environment

The Dentinger Lab at the Natural History Museum of Utah has published a provocative new paper in the journal New Phytologist that describes their work with the much beloved mushroom, Boletus edulis, better known by gastronomers ...

The origins of donkey domestication

The donkey has shaped the history of humankind, both as a source of power for farm work, and of transportation in sometimes hard to reach areas.

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