This new paleorecord can help scientists better understand how climate change and human activity are changing marine mammals’ environments and habits.
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Monitoring Seismic Vibrations During a Pandemic
Researchers in Spain monitored variations in seismic noise across Barcelona as the city locked down during the pandemic, clarifying the seismic band associated with human activity.
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Laser Flashes Shed Light on a Changing Arctic
An ongoing project in northern Alaska is using pulses of laser light to monitor anthropogenic activity, ice quakes, and marine wildlife.
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Timing of Earth’s Oxygenation May Need a 100-Million-Year Revision
A new study revises estimates for when oxygen became a permanent part of the atmosphere and solves a puzzle about glaciation during the Paleoproterozoic era.
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Scientists Mine 16th Century Ship Logs for Geophysical Research
Compass measurements held a key to unlocking the mystery of Earth’s magnetic field and its changes over time. A historian-turned-geoscientist found the measurements in an unlikely place—merchant ship logs.
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Amazon Forests Are Turning into Savannas
Floodplain forests have low resilience to repeated exposure to wildfires. As climate change increases the instances of fires, forests may transform to less productive grassland ecosystems.
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High School Junior Builds Cheap Earthquake Warning Device
The project exploring seismic noise during the coronavirus pandemic was fueled by Google searches and bathroom soldering sessions.
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Forecasters Navigate a Highway to Success Around Lake Victoria
An early-warning system establishes international networks to help communities manage severe weather on Africa’s largest lake.
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The Who, What, When, Where, and Why of the Polar Vortex
Here’s a rundown of what this atmospheric phenomenon really is and why it matters.
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Cheap Sensors Provide Missing Air Quality Data in African Cities
Calibrated low-cost sensors in Kinshasa and Brazzaville provide new information on pollution and help scientists model a way to improve access to air quality data.