The city of Chicago is suing five oil and gas companies and a trade group that represents them over their role in contributing to climate change and its effects, arguing that the companies have misled the public about how ...
Environment
Feb 21, 2024
1
1
A few years ago, astronomers uncovered one of the Milky Way's greatest secrets: An enormous, wave-shaped chain of gaseous clouds in our sun's backyard, giving birth to clusters of stars along the spiral arm of the galaxy ...
Astronomy
Feb 20, 2024
3
150
A blanket of smog covers Milan, empty reservoirs bake in Sicily and wine production is down in Piedmont as a lack of rain across Italy exacerbates pollution and sparks droughts.
Environment
Feb 20, 2024
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98
Japanese horseshoe bats—or Nihon Kikugakushira—emit high-amplitude, ultrasonic waves from their nostrils. Several ultrasound-related studies have previously attempted to address the significant regional variability noted ...
Plants & Animals
Feb 19, 2024
0
15
News of a possible Russian satellite-destroying, space-based nuclear weapon sent shock waves through Washington this week. Some officials responded with considerable alarm, while others insisted that such concern is—for ...
Political science
Feb 19, 2024
0
39
Fast radio bursts (FRBs) are strange events. They can last only milliseconds, but during that time can outshine a galaxy. Some FRBs are repeaters, meaning that they can occur more than once from the same location, while others ...
Astronomy
Feb 16, 2024
8
44
The inside of underwater pipes and enclosed nuclear containers were inaccessible—until recently. Acoustics researchers in Penn State's College of Engineering have developed a way to convey energy and transmit communications ...
Condensed Matter
Feb 16, 2024
0
48
A dipole magnetic field, created by a ring current, is the most fundamental type of magnetic field that is found both in laboratories and in space. Planetary magnetospheres, such as Jupiter's, effectively confine plasma.
Planetary Sciences
Feb 16, 2024
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51
University of Pennsylvania engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing ...
Optics & Photonics
Feb 16, 2024
5
499
A team of engineers at Monash University in Australia has found that exposing human sperm to ultrasound can cause them to swim faster. In their study, published in the journal Science Advances, the group exposed human semen ...
