Results 61 to 70 of about 63,965 (268)

Spatial and Temporal Patterns of Global NDVI Trends: Correlations with Climate and Human Factors

Remote Sensing, 2015
Changes in vegetation activity are driven by multiple natural and anthropogenic factors, which can be reflected by Normalized Difference Vegetation Index (NDVI) derived from satellites.
Ya Liu, Yan Li, Shuangcheng Li, Safa Motesharrei   +3 more
doaj   +1 more source

A call to address humanity’s cosmic footprint

Nature Astronomy
This is a critical moment in the history of Earth: humans are ending 3.5-3.8 billion years of relative isolation of the terrestrial biosphere from interaction with its cosmic environment, and may now leave lasting physical, chemical, biological, and unforeseen impacts beyond Earth.
Adrien Normier, Asmaa Boujibar, David Boulesteix, Oskari Sivula, Ian A. Crawford, Claudius Gros, Charles Horikami, Koji Tachibana, Raushan Ali Firaq, Valentin Degrange, Noemi Giammichele, Pierre Léna, Noémie Mazaré, Claude Nicollier, George Profitiliotis, Enock Rutunda, Douglas Vakoch   +16 more
openaire   +2 more sources

Cornus Mas L. Seed‐Derived Biosorbent for Methylene Blue Removal: Surface Characterization and Biosorption Performance

Advanced Materials Interfaces, EarlyView.
Cornus mas L. seeds are transformed into a high‐performance biosorbent through chemical modification, effectively removing methylene blue from aqueous solutions. Comprehensive characterization and optimization reveal a maximum biosorption capacity of 71.71 mg g−1, establishing this sustainable, cost‐effective material as a promising solution for ...
Hakan Yıldız, Adem Necip, Arslan Yusuf Yüksel   +2 more
wiley   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

Advanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu, Mengyao Xiao, Zhouli Sui, Yinpeng Wang, Daoye Zheng, Yuxin Liu, Luwei Wang, Huajun Liu, Chengkuo Lee   +8 more
wiley   +1 more source

Multimodal Haptic Perception Through Synergistic Nanocomposite Sensor Arrays

Advanced Materials Technologies, EarlyView.
Multi‐modal fingertip haptics are advanced through a bioinspired &vertical‐via' electronic skin architecture. A confined PDMS/MWCNT/NiNP nanocomposite, sitting at the percolation threshold, enables tactile, thermal, and magnetic sensing. A unique via‐density gradient and dedicated &Un‐Touch' reference nodes provide robust spatial resolution and signal ...
Amos Bardea, Fernando Patolsky
wiley   +1 more source

Conservation Challenges and Opportunities for Fokienia hodginsii in the Wuyi Mountains Under Climate Change and Human Influence

Ecology and Evolution
Fokienia hodginsii (Dunn) A. Henry & H. H. Thomas, as an evergreen Tertiary relic conifer species of great ornamental, medical, and ecological value, has not been fully explored in terms of its risk associated with distribution under climate change ...
Dawei Luo, Tongli Wang, Jiejie Sun, Xiali Guo, Mingliang Peng, Hongxi Shen, Jing Qian   +6 more
doaj   +1 more source

Representativeness, Complementarity, and Degree of Local Extirpation Risk for Thamnophis Species Inside and Outside of Protected Areas of Mexico

Ecologies
Protected areas (PAs) are geographical spaces intended to conserve populations, communities, and ecosystems, in which species richness must be maximized, the conserved area must be minimized, and anthropogenic pressure must be reduced.
Crystian Sadiel Venegas-Barrera, Javier Manjarrez, Ángel Rodríguez-Moreno, Yeimi Alexandra Mendoza-Walle, Jorge Víctor Horta-Vega, Itzel R. Rodríguez-deLeón, Armando Sunny, Ausencio Azuara Domínguez   +7 more
doaj   +1 more source

Fully 3D‐Printed Wave‐Wound Electromagnetic Motors

Advanced Materials Technologies, EarlyView.
This work presents the first fully 3D‐printed wave‐wound electromagnetic motors, which are created using conductive nanoparticle inks, carbon‐filled nylon polymers, and surface mount components. These motors can achieve a stall torque of 7.62N·mmA−1$7.62 \nobreakspace N{\cdot }mm A^{-1}$ and efficiency of 28.2 %, which approaches the performance of ...
Joseph Schwalbe, Sebastian Mettes, Eduardo Francke, Kenneth W. Allen, Yi Chen Mazumdar   +4 more
wiley   +1 more source

High Resolution Spatial Mapping of Human Footprint across Antarctica and Its Implications for the Strategic Conservation of Avifauna.

PLoS ONE, 2017
Human footprint models allow visualization of human spatial pressure across the globe. Up until now, Antarctica has been omitted from global footprint models, due possibly to the lack of a permanent human population and poor accessibility to necessary ...
Luis R Pertierra, Kevin A Hughes, Greta C Vega, Miguel Á Olalla-Tárraga   +3 more
doaj   +1 more source