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color

A comparison of the same data set displayed using traditional rainbow (left), cool-warm (middle), and wave colormaps
Posted inFeatures

Visualizing Science: How Color Determines What We See

by S. Zeller and D. Rogers 21 May 20203 December 2021

Color plays a major role in the analysis and communication of scientific information. New tools are helping to improve how color can be applied more accurately and effectively to data.

Schematic of how chlorate could oxidize reducing iron to iron oxides in various aqueous environments on Mars
Posted inEditors' Highlights

Why Is the Red Planet Red? Chlorate May Oxidize Mars’ Surface

by Y. Sekine 6 December 201922 December 2021

Laboratory experiments and geochemical model suggest that chlorate is very effective to oxidize reducing iron to reddish iron oxides on Mars when liquid water was present on the surface.

Tracers of ecosystem respiration
Posted inResearch Spotlights

Understanding Stream Metabolism with Reactive Tracers

by Aaron Sidder 29 April 20197 March 2022

When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.

Meltwater flows in a canyon around 30 meters deep in Greenland.
Posted inResearch Spotlights

Mapping Ice Algal Blooms from Space

by E. Underwood 17 April 20196 June 2022

Satellite data reveal how colorful algae are melting the Greenland ice sheet.

https://doi.org/10.1029/2018GL077219
Posted inEditors' Highlights

Nutrients May Change Flavor of “Meadow Tea” in Lakes

by Rose Cory 6 July 201821 March 2022

Lakes in the US and Europe have been getting more tea-colored over the past 30 years, and this “browning” trend may increase nutrient levels and affect lake water quality.

Researchers use remote sensing to track how vegetation affects dissolved organic carbon in waterways
Posted inResearch Spotlights

Refining Remote Sensing of Dissolved Organic Carbon in Waterways

by E. Underwood 22 June 201821 March 2022

Nearby vegetation affects the color of organic matter, a new study finds.

Posted inFeatures

The Art and Science of Hubble's Images

by R. Cowen 27 April 201515 March 2022

How do Hubble images get their vivid colors and subtle shading?

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