Search results for gas permeation

Astronomy Dec 13, 2022

Perhaps a supervoid doesn't explain the mysterious CMB cold spot

For years, cosmologists had thought that a strange feature appearing in the microwave sky, known as the CMB cold spot, was due to the light passing through a giant supervoid. But new research casts that conclusion into doubt.

Astronomy Dec 13, 2022

FAST telescope reveals unprecedented details of the Milky Way

The Milky Way is our home galaxy in the vast universe, but the structure and composition of the Milky Way remain mysterious. The vast interstellar space between the billions of stars is not empty, but filled with tenuous ...

Plants & Animals Nov 21, 2022

California's Mojave desert tortoises move toward extinction. Why saving them is so hard

Behind the fences surrounding this 40-square-mile outback of cactus and wiry creosote, the largest remaining population of Mojave desert tortoises was soaking up the morning sun and grazing on a mix of wild greens and flowers.

Environment Nov 14, 2022

Fort McKay: where Canada's boreal forest gave way to oil sands

The acrid stench of gasoline permeates the air. And the soot coats everything in sight: the trees, the bushes, even the snow in winter. And all day long, explosions send the birds soaring to safety.

General Physics Nov 3, 2022

IceCube neutrinos give us first glimpse into the inner depths of an active galaxy

For the first time, an international team of scientists have found evidence of high-energy neutrino emission from NGC 1068, also known as Messier 77, an active galaxy in the constellation Cetus and one of the most familiar ...

Nanomaterials Sep 22, 2022

Wrapping of nanosize copper cubes can help convert carbon dioxide into other chemicals

As the need to mitigate climate change accelerates, scientists are trying to find new ways to reduce carbon dioxide emissions. One process, called electrochemical reduction or electrolysis, uses electricity and a catalyst ...

Environment Sep 14, 2022

Microplastics are in our fertilizers and soils, yet we know next to nothing about their environmental and health impacts

Gazprom's decision to turn off the taps of Nord Stream 1 this month has rocked Europe's industrial and manufacturing sector, with fertilizer producers first in line.

Astronomy Sep 12, 2022

Why are dark matter halos of ultra-diffuse galaxies so odd?

A study co-led by physicists at UC Riverside and UC Irvine has found that dark matter halos of ultra-diffuse galaxies are very odd, raising questions about physicists' understanding of galaxy formation and the structure of ...

Bio & Medicine Aug 2, 2022

New options for health, environmental monitoring with water-resistant gas sensor

Accurate, continuous monitoring of nitrogen dioxide and other gases in humid environments is now possible, thanks to a new water-resistant gas sensor developed by Huanyu "Larry" Cheng, the James L. Henderson Jr. Memorial ...

Astronomy Jul 12, 2022

Astronomers are helping find elusive atoms across the universe

Astronomers at the University of Toronto have spotted some of the most elusive stuff in our universe by taking a deep look at the cosmic web, the network of filaments and knots that trace the large-scale distribution of galaxies.

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