Explore groundbreaking news and research from PNAS, one of the world's most-cited scientific journals. Discover its sibling journal, @pnasnexus.org, both official research journals of the U.S. National Academy of Sciences. Visit www.pnas.org for more info.
Proceedings of the National Academy of Sciences
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Average support for gender equality worldwide has plateaued, in part because of higher population growth in countries where support for women’s rights is low and because of higher fertility among those with less egalitarian views. In PNAS Nexus: https://ow.ly/byTk50Z9pi5
The extreme conditions of the 1945 Trinity nuclear test created trinitite, a silicate glass containing rare metallic phases. A sample of red trinitite was found to contain a silicon-rich cubic clathrate within a copper-rich metal droplet. [DS1.1]In PNAS: https://ow.ly/w43u50Z9thZ
Can brain tissue be stored without freezing? In a new PNAS Science Sessions episode, researchers explore vitrification—a glass-like preservation method that maintained key structures and functions in mouse brain tissue after rewarming. Listen now: https://ow.ly/O9fH50Z9lc4
The presence of manganese oxides has been used as a proxy for oxygenation on early Earth, but experiments show that manganese-bearing carbonates can photo-oxidize under the UV wavelengths present on early Earth and Mars—even without oxygen. In PNAS: https://ow.ly/1Kvw50Z8Vfe
One of the most-viewed PNAS articles in the last week is “Animals have expanded the evolutionary legacy of unicellular ancestors in blood cells.” Explore the article here: https://ow.ly/ECrM50Z9m9H
For more trending articles, visit https://ow.ly/ZBUJ50Z9m9G.
Climate determines the plant characteristics that favor naturalization. In cold or dry regions, successful newcomers must be similar to native plants to survive. In hot and humid regions, distinctiveness makes new plants more competitive. In PNAS: https://ow.ly/Lnla50Z8VyU
One of the most-viewed PNAS articles in the last week is “Social interactions in isolated, confined, and extreme environments: A study of Antarctic winter teams using wearable sensors.” Explore the article here: https://ow.ly/ovg650Z9lBP
For more trending articles, visit https://ow.ly/wzIV50Z9lBO.
Machine learning helps predict the speed at which rock glaciers move across the Pamir-Karakoram-Kunlun region in High Mountain Asia. Upslope connection to a glacier is a critical factor controlling rock glacier velocities. In PNAS Nexus: https://ow.ly/qlCU50Z9pay
People who have overcome adversity often oppose reform to make the goals they achieved less arduous for others. This tendency to “pull up the ladder” stems from a desire to protect the value of a hard-won achievement, according to a study. In PNAS Nexus: https://ow.ly/wAIM50Z8UK4
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
Proceedings of the National Academy of Sciences
2024 broke global mean surface temperature records, but was the heat inexplicable, as some have asserted? A study finds that the 2024 record was consistent with standard climate model predictions, especially given that it was an El Niño year. In PNAS: https://ow.ly/qZEX50Z8VVS
