(Phys.org) —Gold bars may signify great wealth, but the precious metal packs a much more practical punch when shrunk down to just billionths of a meter. Unfortunately, unlocking gold's potential often requires complex synthesis ...
Nanophysics
Jun 11, 2013
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Neurons are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the ...
Bio & Medicine
Nov 29, 2022
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192
An unmanned Chinese spacecraft carrying rocks and soil from the Moon returned safely to Earth early Thursday, completing another chapter in China's effort to become a space superpower.
Space Exploration
Dec 16, 2020
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242
Hydrogen produced from renewable energy sources can be used as fuels that do not contribute to CO2 emissions, and therefore is emerging as an important future power source.
Analytical Chemistry
Apr 17, 2023
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Light is crucial for photosynthetic organisms, but one can have too much of a good thing. Excess light can harm organisms when the amount of energy absorbed exceeds the rate of carbon fixation.
Cell & Microbiology
Jun 7, 2013
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After three nasty years, the La Nina weather phenomenon that increases Atlantic hurricane activity and worsens western drought is gone, the National Oceanic and Atmospheric Administration said Thursday.
Environment
Mar 9, 2023
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The bacterium behind one of mankind's deadliest scourges, tuberculosis, is helping researchers at the Commerce Department's National Institute of Standards and Technology and the Department of Energy's Brookhaven National ...
Feb 7, 2009
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Facing starvation and stress conditions, some bacteria enter a dormant state in which life processes stop. Shutting down into a deep dormancy allows these cells, called spores, to withstand punishing extremes of heat, pressure ...
Cell & Microbiology
Oct 6, 2022
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226
More than 23.5 million Americans suffer from autoimmune diseases like rheumatoid arthritis, scleroderma and lupus, in which an overzealous immune response leads to pain, inflammation, skin disorders and other chronic health ...
Biochemistry
Nov 21, 2017
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62
Octopuses are known to sleep and to change color while they do it. Now, a study publishing March 25 in the journal iScience finds that these color changes are characteristic of two major alternating sleep states: an "active ...
Plants & Animals
Mar 25, 2021
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