We're surrounded by dynamic systems—systems demonstrating behavior changing through time—in engineering, nature, civilization, even our personal lives. Even an ordinary bathtub could be considered a dynamic system with ...
Computer Sciences
Nov 7, 2017
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5
Black holes make for a great space mystery. They're so massive that nothing, not even light, can escape a black hole once it gets close enough. A great mystery for scientists is that there's evidence of powerful jets of electrons ...
Astronomy
Nov 7, 2017
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83
NASA scientists, who always are on the hunt for new platforms from which to carry out their research, now may avail themselves of two agency-developed unmanned aerial systems, or UASs, that some say represent the future for ...
Space Exploration
Nov 7, 2017
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6
Electrical physicists from Czech Technical University have provided additional evidence that new current sensors introduce errors when assessing current through iron conductors. It's crucial to correct this flaw in the new ...
General Physics
Nov 7, 2017
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18
An improvement on the famous Markowitz theorem may have the potential to not only more accurately predict the next financial crises, but also the outbreak of pests and diseases, or whether a patient will have a heart attack ...
Mathematics
Nov 7, 2017
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157
Northwestern University molecular bioscientists have discovered that a little stress can be good for cellular health. The findings will help researchers better understand the molecular mechanisms that drive aging and risk ...
Cell & Microbiology
Nov 7, 2017
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296
Female swallowtail butterflies do something a lot of butterflies do to survive: they mimic wing patterns, shapes and colors of other species that are toxic to predators. Some - but not all - swallowtail species have evolved ...
Evolution
Nov 7, 2017
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136
A 48-year-old Indian rhinoceros that had survived skin cancer has been euthanized at the Los Angeles Zoo.
Plants & Animals
Nov 7, 2017
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7
A public health emergency was declared as choking smog blanketed New Delhi on Tuesday, with authorities ordering the temporary closure of all primary schools in the world's most polluted capital city.
Environment
Nov 7, 2017
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5
Greenhouse gas emissions caused by urban households' purchases of goods and services from beyond city limits are much bigger than previously thought. These upstream emissions may occur anywhere in the world and are roughly ...
Environment
Nov 7, 2017
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