The instability of large, complex societies is a predictable phenomenon, according to a new mathematical model that explores the emergence of early human societies via warfare. Capturing hundreds of years of human history, ...
Mathematics
Jan 19, 2011
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1
Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown.
Other
Jan 15, 2024
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1
Electromagnetic (EM) wave front modulation has important significance in both scientific research and industrial applications. However, conventional dielectric materials have limited choices of dielectric constants. In addition, ...
Optics & Photonics
Jul 19, 2023
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9
In March 1989, a tripped circuit in the Hydro-Québec power grid left 6 million people without electricity. A week earlier, an unusually harsh snowstorm had strained the region; the day before, a solar flare and accompanying ...
Environment
Feb 14, 2020
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2
Artificial intelligence and robots are playing significant roles as planners develop the cities of the future. The architecture, engineering and construction (AEC) industry is facing a major shift in balancing the massive ...
Engineering
Jun 19, 2019
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15
Species are often involved in complex interactions with other species, which can affect their occurrence, abundance, feeding habits and disease transmission. Observing and studying species interactions can be difficult. To ...
Ecology
Feb 22, 2019
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4
Since the dawn of Enlightenment-era chemistry and physics, scientists have tried to document materials' properties different conditions. These investigations spawned the field of materials science and have helped humanity ...
Materials Science
Aug 22, 2017
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3
Scientists at TGAC, alongside European partners, have created a cutting-edge, open source community for the lifesciences. BioJavaScript (BioJS) is a free, accessible software library that develops visualization tools for ...
Biotechnology
Sep 2, 2015
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25
Oxygenic photosynthetic organisms utilize energy from the sun to split water into protons, electrons and oxygen—products vital to life on earth. The process takes place through light-induced electron transfer reactions ...
Materials Science
Sep 21, 2012
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