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Stories by Ewen Callaway

Snakes Mimic Extinct Species

In order to avoid predators, scarlet kingsnakes in North Carolina have evolved to more closely resemble a poisonous lookalike no longer found in the area

June 11, 2014 — Ewen Callaway and Nature magazine

Autism Symptoms Seen in Babies

Infants that would later be diagnosed with the disorder began to avoid eye contact at two months of age

November 6, 2013 — Ewen Callaway and Nature magazine

Famous "HeLa" Human Cell Line Gets Its DNA Sequenced

The genome of the cell line, which originated from a deadly cervical tumor taken from a patient named Henrietta Lacks, is riddled with errors, raising questions about its continued use in research...

March 15, 2013 — Ewen Callaway and Nature magazine
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