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Richard Sima, freelance science writer

Richard J. Sima

Richard Sima is a science writer based in Baltimore, Md. He covers the environmental and life sciences and has written for Eos, Scientific American, Discover, and elsewhere. He has a Ph.D. in neuroscience from Johns Hopkins University and an undergraduate degree in neurobiology from Harvard College.

Logs, sticks, and branches that washed up on the shores of Iceland are piled on a beach.
Posted inNews

Melting Sea Ice May Mean the End of Driftwood in Iceland

Richard Sima, freelance science writer by Richard J. Sima 25 August 202224 March 2023

Driftwood floats thousands of kilometers from Siberia to Iceland, but it may drift no longer by 2060 due to climate change.

Fiona Lo presenting her Ph.D. thesis at the American Meteorological Society annual conference.
Posted inFeatures

Fiona Lo: A “Really Long, Convoluted Path” to Health

Richard Sima, freelance science writer by Richard J. Sima 25 July 20227 February 2023

Lo uses her background in atmospheric sciences to forecast pollen concentrations.

Ben Freeman holding a collared trogon in Peru.
Posted inFeatures

Benjamin Freeman: Slowing Birds’ “Escalator to Extinction”

Richard Sima, freelance science writer by Richard J. Sima 25 July 202225 July 2022

From Bolivia to Peru, Freeman researches how a warming world affects tropical birds.

An air conditioner coil that has thick dust at left and is clean at right
Posted inFeatures

Indoor Air Pollution in the Time of Coronavirus

Richard Sima, freelance science writer by Richard J. Sima 31 May 202230 November 2022

How aerosol scientists spread the word on the airborne transmission of COVID-19–and what it means for cleaning our indoor air.

Room-size instruments make up an argon dating lab at Arizona State University.
Posted inFeatures

Long-Term Planning For Deep-time Labs

Richard Sima, freelance science writer by Richard J. Sima 22 February 202221 March 2023

When directors depart argon labs, what happens to their expensive equipment, skilled staff, and institutional knowledge?

Posted inNews

Tecnología de punta, serendipia y los secretos del Stonehenge

Richard Sima, freelance science writer by Richard J. Sima 15 February 20221 March 2022

El primer análisis exhaustivo de lo qué están hechas las piedras sarsen se produjo con nueva tecnología y buena suerte a la antigua.

Researchers installing the reference station in a glacier forefield at the foot of the Matterhorn
Posted inNews

Mountains Sway to the Seismic Song of Earth

Richard Sima, freelance science writer by Richard J. Sima 1 February 202227 March 2023

The Matterhorn in the Swiss Alps is in constant motion, gently swaying back and forth about once every 2 seconds.

Water samples collected from Gwynns Falls stream in Baltimore
Posted inNews

Leaky Pipes Are Dosing Baltimore’s Waterways with Drugs

Richard Sima, freelance science writer by Richard J. Sima 22 October 202129 March 2023

Poor infrastructure is responsible for tens of thousands of pharmaceutical doses that flow through Baltimore’s streams each year.

The LIBS instrument that is part of SuperCam
Posted inNews

Lasers Have the Makings of a 21st-Century Geoscience Tool

Richard Sima, freelance science writer by Richard J. Sima 15 October 202120 December 2021

Laser-induced breakdown spectroscopy is a versatile geochemical tool being used in a wide range of applications, from Mars rovers to earthly rock identification.

The Sun sets at Stonehenge
Posted inNews

State-of-the-Art Technology, Serendipity, and Secrets of Stonehenge

Richard Sima, freelance science writer by Richard J. Sima 8 September 202129 March 2023

The first comprehensive analysis of what the sarsen stones are made of came about with new technology—and good old-fashioned luck.

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