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Rebecca Dzombak

A view of a swamp on Rishiri Island, with trees and water in the foreground and a snowy mountain in the background
Posted inResearch Spotlights

Climate and Currents Shaped Japan’s Hunter-Gatherer Cultures

by Rebecca Dzombak 5 May 2022

New climate records from a peat bog show how two neighboring cultures responded differently to shifts in climate and ocean currents.

A wide view of snow-covered pines in mountains.
Posted inResearch Spotlights

Trees Wearing Accelerometers Help Track Snowstorms

by Rebecca Dzombak 15 April 202215 April 2022

This device allows scientists to measure how much snow is trapped in canopies and predict changes to snowpack—a critical factor in annual water availability.

Lightning over water
Posted inResearch Spotlights

Lightning Had Difficulty Forming in Early Earth’s Atmosphere

by Rebecca Dzombak 8 April 202225 April 2022

Lightning could have sparked the beginnings of life, but the primordial atmosphere might have made it more difficult for lightning to initiate.

Dry Falls located at the head of Grand Coulee
Posted inResearch Spotlights

Western U.S. “Megafloods” Might Not Have Been So Mega

by Rebecca Dzombak 3 February 20223 February 2022

The flooding that carved eastern Washington State 20,000 to 12,000 years ago could have been 80% smaller than the canyons’ volume today.

An aerial view of an Amazonian landscape, colored by elevation
Posted inResearch Spotlights

How Climate Change Shaped the Amazon’s Land and Life

by Rebecca Dzombak 28 January 202228 January 2022

Ice Age climate swings shaped the equatorial basin’s terrain—and possibly its ecology—faster than previously thought.

A satellite image of a bright green algae bloom in the dark blue waters of Lake Erie
Posted inResearch Spotlights

Cyanobacteria Blooms Exceed WHO Thresholds in Midwest Lakes

by Rebecca Dzombak 16 November 202128 March 2022

A study of 369 lakes across the Midwest finds that many of them, especially those close to agriculture, have high concentrations of harmful algal bloom-causing cyanobacteria.

A dolphin washed up on a beach
Posted inResearch Spotlights

Wind and Ocean Currents May Contribute to Mass Dolphin Strandings

by Rebecca Dzombak 4 November 202121 March 2022

Coastal wind patterns correlate with mass strandings of dolphins, suggesting that storm-induced upwelling could be influencing cetaceans’ behavior.

Cars on the Golden Gate Bridge
Posted inResearch Spotlights

Remote Work May Be Keeping Some Cities’ Air Cleaner

by Rebecca Dzombak 12 October 202121 March 2022

Widespread remote work may have kept air pollution lower than pre-COVID-19 lockdown levels even though restrictions were lifted in 2020, a new study finds.

Dense green pine trees form the foreground. Gray rocks forming low-relief hills are in the middle distance, dotted with green trees, with a hazy blue sky in the background.
Posted inResearch Spotlights

Extinct Style of Plate Tectonics Explains Early Earth’s Flat Mountains

by Rebecca Dzombak 7 October 202117 November 2021

The geologic record suggests that despite Earth’s hot, thin crust during the Proterozoic, mountains were still able to form thanks to an extinct style of crustal deformation.

A fossil of Zhenyuanlong suni, a feathered dinosaur from the Early Cretaceous
Posted inResearch Spotlights

Cool Oasis for Cretaceous Feathered Dinosaurs

by Rebecca Dzombak 1 October 202111 January 2022

A new study found that the Jehol Biota had chilly temperatures and high altitudes when feathered dinosaurs roamed the slopes.

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