environment and energy

Downscaling attempts to reconstruct a more detailed map using variables measured at high resolution. Illustration: depositphotos.com

AI enhances satellite imagery to know what's happening "between the pixels"

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Satellites provide a wide picture, but sometimes with limited resolution: the pixel is too large, and the details on the ground are lost. This is where downscaling comes in: using computational models to estimate temperature in more detail.
Heat wave in the city. Illustration: depositphotos.com

Extreme heat doesn't affect everyone the same—and it could deepen inequality in cities

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Exposure to extreme heat is associated with real health risks — heat stroke, worsening of cardiovascular disease, and harm to at-risk populations such as the elderly, children, and outdoor workers.
A scanning electron microscope image of the benthic foraminifer Uvigerina peregrina, one of the species used in this study. The specimen was found in sediments that accumulated about 21,000 years ago in water depths of about 3 km off the coast of North Carolina. Credit Jack Wharton and Mark Stanley

Deep currents in the Atlantic Ocean continued to operate during the last ice age.

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A study in Nature suggests that a critical flow system did not completely collapse under extreme conditions, sharpening the debate about transition thresholds today.
Confocal microscope image of leaf peonies during gas exchange measurement

Seeing the plant "breathe" in real time: New system monitors peonies while measuring gas exchange

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Stomata In-Sight combines live microscopy with a controlled leaf cell, enabling the connection between stomata opening and water loss and CO₂ uptake
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