When plant roots learned to follow gravity

Highly developed seed plants evolved deep root systems that are able to sense Earth's gravity. The how and when of this evolutionary step has, until now, remained unknown. Plant biologists at the Institute of Science and ...

DNA gives insight into prehistoric bonds between dogs and humans

Domestic dogs come in all shapes and sizes, but the animals we now regard as man's best friend may have originated from just two populations of wolves, research suggests. The findings, along with studies on other domesticated ...

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