Bark beetle infestation slows down tree growth early on
Peer-Reviewed Publication
Updates every hour. Last Updated: 16-May-2025 19:09 ET (16-May-2025 23:09 GMT/UTC)
Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study from the University of Eastern Finland shows.
High above Earth’s poles, intense electrical currents called electrojets flow through the upper atmosphere when auroras glow in the sky. In March, NASA plans to launch its EZIE (Electrojet Zeeman Imaging Explorer) mission to learn more about these powerful currents, in the hopes of ultimately mitigating the effects of such space weather for humans on Earth.
A new international study partially funded by NASA on how Mars got its iconic red color adds to evidence that Mars had a cool but wet and potentially habitable climate in its ancient past.
On Wednesday 26 February, a thermal imaging camera built by researchers at the University of Oxford’s Department of Physics will blast off to the Moon as part of NASA’s Lunar Trailblazer mission. This aims to map sources of water on the Moon to shed light on the lunar water cycle and to guide future robotic and human missions.
In a bid to explore MAX phases with experimental significance across a significantly broader combinatorial space, the researchers of this study pioneered the development of a machine-learning model for predicting MAX phase stability. This model is based on elemental features and can swiftly forecast the stability of MAX phases by simply leveraging the basic parameters of elements. Notably, the model successfully identified 150 MAX phases that met the stability criteria but had not been synthesized previously. It also guided the first-ever experimental synthesis of Ti₂SnN. Ti₂SnN showcases a low elastic modulus, high damage tolerance, and self-extrusion characteristics. This accomplishment not only enhances the screening efficiency by a factor of tens but also uncovers the crucial role of valence electrons. As a result, it provides novel insights into the fundamental principles governing MAX phase formation.