Sandy Keenan

Contributing Editor
Spectrum

Sandy Keenan edits Viewpoint and news articles for Spectrum. She is a New York-based journalist who has enjoyed a richly varied career — as reporter, editor and newsroom manager — with The New York Times and Newsday. She started out as a sportswriter for the Miami Herald, then moved on to Sports Illustrated and then Newsday, where she transitioned from covering Knicks, Mets and Yankees games on deadline into editing and over to news. She eventually became Newsday‘s assistant managing editor in charge of news, investigations and narrative projects. More recently, with the Times, she served as environment editor, deputy sports editor and a staff writer for the Home & Garden section.

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Adriano Aguzzi.

Neuropathologist not guilty of research misconduct, says university probe

The investigation determined that seven papers by corresponding author Adriano Aguzzi have “scientifically significant” errors, which Aguzzi attributes to his former students.

By Dalmeet Singh Chawla
8 July 2026 | 5 min read
Research image of proliferating neural cells.

Diverse autism genes derail common developmental pathways

Multiple genetic mouse models initially show delayed cortical development, but the animals’ molecular trajectories diverge within weeks after birth, a new study finds.

By Holly Barker
8 July 2026 | 5 min read
Brain scans showing sex-based activation differences.

Brain’s sex differences are subtle and contradictory, large MRI study finds

Sex-based behavioral differences do not match with variations in brain activation or structure in a study of almost 1,000 people.

By Lauren Schenkman
8 July 2026 | 5 min read