Mark Johnson

Washington, D.C.

National reporter covering science.

Education: University of Toronto BA English Literature

As a 2016-2017 O'Brien Fellow at Marquette University, he reported on infectious diseases in Kenya, Uganda and Brazil. He covered small-town government and corruption at The Providence Journal-Bulletin from 1994 to 2000, serving for two years as the newspaper's Massachusetts Bureau Manager. Before coming to Providence, he worked at The Rockford Register Star, The Haverhill (Mass.) Gazette and the weekly Provincetown (Mass.) Advocate. A University of Toronto graduate, his first novel, Though The Earth Gives Way, was published in January 2022.
Latest from Mark Johnson

Ancient human relative used fire, surprising discoveries suggest

Charcoal and burned bones offer intriguing — if controversial — clues that the species Homo naledi made hearths to light its way and cook in dark caves.

December 5, 2022

Coronavirus variants are dodging antibody treatments. New lab-made options may help.

Some variants are dodging antibody therapies, but the next generation of treatments may help by targeting a different, more stable part of the rapidly mutating virus.

November 21, 2022

Webb telescope spots earliest galaxies yet, and they are cosmic oddballs

The distant bundles of stars are far brighter than anyone expected, challenging views of how the cosmos first took shape.

November 17, 2022

Covid uses our proteins against us. A new strategy seeks to block that.

Scientists are exploring treatments that would remain effective regardless of how the virus evolves.

October 31, 2022

Transplant of human brain tissue into rats could help study autism, other disorders

The approach is expected to enable new research into epilepsy, schizophrenia and intellectual disabilities.

October 12, 2022

Few Americans get new covid booster shot ahead of projected winter surge

With only 4 percent of eligible people fully boosted, experts fear thousands of people may die needlessly.

October 7, 2022

Nobel Prize awarded to three scientists for work in click chemistry, which links molecules quickly

Carolyn R. Bertozzi, Morten Meldal and K. Barry Sharpless are recognized for developing ‘ingenious’ tools.

October 5, 2022

Five things about covid we still don’t understand at our peril

Unlocking these secrets might arm us with new strategies to protect ourselves and stop the next pandemic.

September 26, 2022

Covid-19 in seniors linked to increased Alzheimer’s risk, study finds

Researchers find a correlation with new-onset dementia in an analysis of more than six million health records.

September 16, 2022

Obamacare can’t require coverage for some HIV drugs, federal judge rules

A federal judge ruled Wednesday that requiring coverage of an HIV prevention drug under the Affordable Care Act violates a Texas employer's religious freedom.

September 7, 2022