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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.

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

by Richard J. Sima 31 May 202231 May 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

by Richard J. Sima 22 February 202210 May 2022

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

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

by Richard J. Sima 1 February 202221 March 2022

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

by Richard J. Sima 22 October 202121 March 2022

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

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

by Richard J. Sima 8 September 202121 March 2022

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

Expansive flat landscape marked by large flat stones.
Posted inNews

Cosmological Tool Helps Archaeologists Map Earthly Tombs

by Richard J. Sima 18 August 202126 October 2021

A new study employs a method originally developed to help map stars and galaxies to describe how ancient tombs are clustered. The research helps archaeologists studying remote or inaccessible sites.

Rectangular to hexagonally shaped orange, blue, and white crystals on a black background. Crystals have concentric growth zones of varying colors.
Posted inNews

A New Tool May Make Geological Microscopy Data More Accessible

by Richard J. Sima 27 May 202110 November 2021

PiAutoStage can automatically digitize and send microscope samples to students and researchers on the cheap and from a distance.

Tourist-style posters of sea level rise displayed in New York
Posted inGeoFIZZ

Rising Sea Levels Bring a Tidal Change to Tourism

by Richard J. Sima 22 April 202126 October 2021

A series of industry posters reimagines iconic locales in light of sea level rise and issues a call for action against climate change.

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