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Stories by Ewen Callaway

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

Numbers Games Devised to Aid People with "Dyscalculia"

A cognitive scientist who studies numerical cognition and a learning disability likened to dyslexia for mathematics works on identifying its cause as well as ways to help those who suffer from it...

January 9, 2013 — Ewen Callaway and Nature magazine

Carbon Dating Gets a Reset

Climate records from a Japanese lake are providing a more accurate timeline for dating objects as far back as 50,000 years

October 18, 2012 — Ewen Callaway and Nature magazine

E. Coli Strain Linked to Cancer in Mice

The DNA-damaging bacterium is found to flourish in the guts of mice with inflammatory bowel disease, putting them at higher risk for colorectal cancer

August 17, 2012 — Ewen Callaway and Nature magazine
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