New Zealand's glaciers shrinking faster, scientist warns
New Zealand's glaciers are shrinking as ice melts at an accelerating rate, a top government scientist warned Monday after concluding a monitoring expedition in the country's Southern Alps.
New Zealand's glaciers are shrinking as ice melts at an accelerating rate, a top government scientist warned Monday after concluding a monitoring expedition in the country's Southern Alps.
Environment
Mar 25, 2024
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14
A top panel of geologists has decided not to grant the 'human age' its own distinct place in Earth's geological timeline after disagreeing over when exactly our era might have begun.
Environment
Mar 22, 2024
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1757
A longstanding problem in physics has finally been cracked by Professor Kostya Trachenko of Queen Mary University of London's School of Physical and Chemical Sciences. His research, published in Physical Review E, unveils ...
General Physics
Mar 18, 2024
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167
Since the Atlantic Meridional Overturning Circulation (AMOC) was first monitored in 2004, it has been the focus of thousands of scientific papers and even a blockbuster movie that grossed more than $552 million worldwide.
Earth Sciences
Mar 13, 2024
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68
In a new study, researchers have used the fossil record to better understand what factors make animals more vulnerable to extinction from climate change. The results could help to identify species most at risk today from ...
Plants & Animals
Mar 7, 2024
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64
Soils in northern freshwater wetlands, called peatlands, are cold, water-saturated, and acidic. These conditions slow microbes' decomposition of organic matter into greenhouse gases. This process stores carbon in the soil. ...
Environment
Mar 6, 2024
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2
Getting climate models to mimic real-time observations when it comes to warming is critical—small discrepancies can lead to misunderstandings about the rate of global warming as the climate changes. A new study from North ...
Earth Sciences
Mar 6, 2024
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323
How do you map something that is both invisible and odorless? Researchers at the University of Oslo have trained drones to find the best places to measure greenhouse gases on their own.
Environment
Mar 5, 2024
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24
As global temperatures continue to rise, coastal communities are confronted with the pressing challenge of surging sea levels. The urgency to provide decision-makers with reliable forecasts of future sea levels becomes increasingly ...
Earth Sciences
Mar 4, 2024
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1
The coastal ocean helps regulate climate change by acting like a giant sponge for atmospheric carbon dioxide. However, the coastal ocean is also a hot spot that releases nitrous oxide and methane, two other potent greenhouse ...
Earth Sciences
Mar 4, 2024
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Gas is one of the three classical states of matter (the others being liquid and solid). Near absolute zero, a substance exists as a solid. As heat is added to this substance it melts into a liquid at its melting point (see phase change), boils into a gas at its boiling point, and if heated high enough would enter a plasma state in which the electrons are so energized that they leave their parent atoms from within the gas. A pure gas may be made up of individual atoms (e.g. a noble gas or atomic gas like neon), elemental molecules made from one type of atom (e.g. oxygen), or compound molecules made from a variety of atoms (e.g. carbon dioxide). A gas mixture would contain a variety of pure gases much like the air. What distinguishes a gas from liquids and solids is the vast separation of the individual gas particles. This separation usually makes a colorless gas invisible to the human observer. The interaction of gas particles in the presence of electric and gravitational fields are considered negligible as indicated by the constant velocity vectors in the image.
The gaseous state of matter is found between the liquid and plasma states, the latter of which provides the upper temperature boundary for gases. Bounding the lower end of the temperature scale lie degenerative quantum gases which are gaining increased attention these days. High-density atomic gases super cooled to incredibly low temperatures are classified by their statistical behavior as either a Bose gas or a Fermi gas. For a comprehensive listing of these exotic states of matter see list of states of matter.
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