You may have seen the striking before-and-after photos: cities previously blanketed by a dense fog of air pollution now sporting clear skies, as COVID-19 stay-at-home orders bring auto traffic and industry to a halt.
Environment
Apr 24, 2020
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6
New results from an ambitious sky survey program, called ALPINE, reveal that rotating disk-shaped galaxies may have existed in large numbers earlier in the universe than previously thought.
Astronomy
Apr 21, 2020
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Viruses are nature's Trojan horses: They gain entrance to cells, smuggle in their genetic material, and use the cell's own machinery to replicate. For decades, scientists have studied how to minimize their deleterious effects ...
Cell & Microbiology
Apr 21, 2020
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234
You may have heard that nothing escapes the gravitational grasp of a black hole, not even light. This is true in the immediate vicinity of a black hole, but a bit farther out—in disks of material that swirl around some ...
Astronomy
Apr 8, 2020
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Scientists at Caltech and Occidental College have discovered a methane-fueled symbiosis between worms and bacteria at the bottom of the sea, shedding new light on the ecology of deep-sea environments.
Ecology
Apr 4, 2020
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708
Severe flooding throughout the Midwest—which triggered a delayed growing season for crops in the region—led to a reduction of 100 million metric tons of net carbon uptake during June and July of 2019, according to a new ...
Earth Sciences
Mar 31, 2020
2
168
Engineers at Caltech have shown that atoms in optical cavities—tiny boxes for light—could be foundational to the creation of a quantum internet. Their work was published on March 30 by the journal Nature.
Quantum Physics
Mar 30, 2020
1
2301
Some people like to take random walks through the woods, while others might stroll through their own neighborhood. In the world of math, a random walk is in fact more random than this; it would be the equivalent of flipping ...
Mathematics
Mar 27, 2020
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76
A new process developed at Caltech makes it possible for the first time to manufacture large quantities of materials whose structure is designed at a nanometer scale—the size of DNA's double helix.
Nanophysics
Mar 3, 2020
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302
Photoacoustic imaging, a technique for examining living materials through the use of laser light and ultrasonic sound waves, has many potential applications in medicine because of its ability to show everything from organs ...
Optics & Photonics
Feb 25, 2020
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292
