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ScienceDaily: Earth & Climate News |
| Amazon Rainforest birds’ bodies transform due to climate change Posted: 13 Nov 2021 04:25 AM PST The most pristine parts of the Amazon rainforest devoid of direct human contact are being impacted by human-induced climate change, according to new research. New analyses of data collected over the past four decades show that not only has the number of sensitive resident birds throughout the Amazon rainforest declined, but the body size and wing length have changed for most studied species. These physical changes in the birds track increasingly hot and dry conditions in the dry season, from June to November. |
| Capturing a true picture of wolves in Yellowstone: Reevaluating aspen recovery Posted: 13 Nov 2021 04:24 AM PST Previous studies evaluated aspen recovery in Yellowstone by measuring the five tallest young aspen within a stand, but sampling only the tallest young aspen estimated a rate of recovery that was significantly faster than was estimated by random sampling of all young aspen within the stand. |
| Quantum confinement discovered in porous nano-photocatalyst Posted: 12 Nov 2021 09:25 AM PST Green hydrogen production from solar water splitting has attracted a great deal of interest in recent years because hydrogen is a fuel of high energy density. A research team discovered the quantum confinement effect in a photocatalyst of a 3D-ordered macroporous structure. The quantum confinement effect was found to enable hydrogen production under visible light. The findings offer an option for addressing energy and environmental challenges. |
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