A novel definition of life and its implications to cybernetic systems
Perhaps the most fundamental puzzle in biology—"What is life?"—is addressed in a new paper by Planetary Science Institute Senior Scientist Oleg Abramov.
Perhaps the most fundamental puzzle in biology—"What is life?"—is addressed in a new paper by Planetary Science Institute Senior Scientist Oleg Abramov.
Evolution
Aug 9, 2021
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4037
Guessing your age might be a popular carnival game, but for astronomers it's a real challenge to determine the ages of stars. Once a star like our sun has settled into steady nuclear fusion, or the mature phase of its life, ...
Astronomy
Apr 4, 2024
1
61
NASA has succeeded in re-establishing full contact with Voyager 2 by using its highest-power transmitter to send an "interstellar shout" that righted the distant probe's antenna orientation, the space agency said Friday.
Space Exploration
Aug 4, 2023
2
5275
The brain is inarguably the single most important organ in the human body. It controls how we move, react, think and feel, and enables us to have complex emotions and memories. The brain is composed of approximately 86 billion ...
Mathematics
Apr 18, 2022
0
37
Researchers at the University of Rochester and Cornell University have taken an important step toward developing a communications network that exchanges information across long distances by using photons, mass-less measures ...
Optics & Photonics
Nov 4, 2020
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2810
The world is a networked place, literally and figuratively. The field of network science is used today to understand phenomena as diverse as the spread of misinformation, West African trade and protein-protein interactions ...
Mathematics
Jul 22, 2022
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15
Math is the language of the physical world, and Alex Townsend sees mathematical patterns everywhere: in weather, in the way soundwaves move, and even in the spots or stripes zebra fish develop in embryos.
Mathematics
Apr 5, 2022
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121
A group of MPIA astronomers has managed to identify the "poor old heart of the Milky Way"—a population of stars left over from the earliest history of our home galaxy, which resides in our galaxy's core regions.
Astronomy
Dec 20, 2022
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639
Norwegian experts say an unusually large meteor was visible over large parts of southern Scandinavia and illuminated southeast Norway with a powerful flash of light for a few seconds as many observers were reported to also ...
Space Exploration
Jul 26, 2021
1
3024
Archaeologists have found that a tool, dubbed the "stone Swiss Army knife" of prehistory, was made to look the same in enormous numbers across great distances and multiple biomes in southern Africa. This indicates early humans ...
Archaeology
Jun 9, 2022
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382