The polar vortex is a large area of upper-atmosphere cyclonic air circulation surrounding both poles. It is bounded by the polar jet stream and its associated cold air is usually confined to the polar regions. Within the ...
Earth Sciences
May 12, 2021
0
3
An international team of astronomers has conducted a detailed kinematic study of a radio galaxy known as 3C 84. The research sheds more light on the properties of this source and its connection to gamma-ray emission. The ...
In April 2019, scientists released the first image of a black hole in galaxy M87 using the Event Horizon Telescope (EHT). However, that remarkable achievement was just the beginning of the science story to be told.
Astronomy
Apr 14, 2021
13
10902
The economies of northern Central Asia rely heavily on agriculture and are particularly affected by changes in the local hydrological cycle. However, this region is one of the largest dryland regions in the Northern Hemisphere ...
Earth Sciences
Apr 12, 2021
0
13
A study by KAIST researchers revealed that an ionized gas jet blowing onto water, also known as a 'plasma jet," produces a more stable interaction with the water's surface compared to a neutral gas jet. This finding reported ...
General Physics
Apr 1, 2021
0
120
Rare earth elements are the gold of the 21st century: rare and highly prized all over the world. Most known and economically viable sources of rare earths are located in China, where more than 80 percent of them are refined. ...
Earth Sciences
Mar 11, 2021
1
35
When a droplet of coffee hits the liquid surface in the cup, a characteristic tower of coffee forms for a very short time, sometimes even with a new droplet on top. In a paper that appeared in Physical Review Fluids today, ...
Soft Matter
Mar 8, 2021
1
156
Outflows of matter are general features stemming from systems powered by compact objects such as black holes, active galactic nuclei, pulsar wind nebulae, accreting objects such as Young Stellar Objects (YSO) and mature stars ...
Astronomy
Feb 24, 2021
1
60
The snapping claws of male amphipods—tiny, shrimplike crustaceans—are among the fastest and most energetic of any life on Earth. Researchers reporting in the journal Current Biology on February 8 find that the crustaceans ...
Plants & Animals
Feb 8, 2021
0
922
A U.S. billionaire who made a fortune in tech and fighter jets is buying an entire SpaceX flight and plans to take three "everyday" people with him to circle the globe this year.
Space Exploration
Feb 1, 2021
1
12
