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https://youtu.be/RR1g5dYAd98 (Reuters) — U.S. researchers have identified a genetic difference between dogs and their wild cousins, wolves, that could explain why dogs are so friendly. The study used both behavioral and genetic data. The behavioral side was led by Oregon State University animal behaviorist Monique Udell who showed that pet domestic dogs are more sociable and less afraid of strangers than wolves, even when those wolves were raised by humans. The genetic component came from […]
PARIS, France (AFP) – by Marlowe Hood Scientists unveiled Wednesday the gene that allowed the off-white peppered moth to famously evolve dark wings to escape predators in sooty, 19th-century industrial England. That same gene, another team reported, also helps some 40 species of butterflies to flash bright yellow stripes — a sign of toxicity — to ward off hungry birds. The findings, published as separate studies in Nature, are surprising for many reasons, the researchers said. […]
