Ethylene is an essential plant hormone at low concentrations. Concentrations in the field rarely exceed 5 nmol⋅mol−1 (0.005 ppm), but it can accumulate as a gas in closed, indoor environments. These elevated levels can ...
Biotechnology
Sep 25, 2023
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1
In the quest to address fundamental questions about the nature of the universe and the search for extraterrestrial life, space has been an important frontier for human exploration. Microbes, among the earliest forms of life ...
Astrobiology
Sep 25, 2023
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24
In the future, quantum computers may be able to solve problems that are far too complex for today's most powerful supercomputers. To realize this promise, quantum versions of error correction codes must be able to account ...
Quantum Physics
Sep 25, 2023
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79
A new objective examination of almost a quarter-of-a-century of ocean acidification research shows that, despite challenges, experts in the field can have confidence in their research.
Earth Sciences
Sep 25, 2023
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2
Doug Ford has announced that he's reversing his controversial plan to remove lands from Ontario's Greenbelt, following a massive public outcry and the resignation of two of his ministers.
Environment
Sep 25, 2023
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18
With all the terrible news on climate change, it's easy to lose track of what's happening with particular species. So, in case you missed it, a new report has bad news for Earth's five surviving species of rhino.
Plants & Animals
Sep 25, 2023
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36
Union membership in Canada has been declining over the past four decades. In 2022, the percentage of employees who are union members fell to 29 percent from 38 percent in 1981. This decline has been partly attributed to the ...
Economics & Business
Sep 25, 2023
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8
A new study of the evolution of birds shows that as their skeletons become more complex, they also decrease in diversity, with fewer species as they become more specialized in their niches. The findings, published in Nature ...
Evolution
Sep 25, 2023
1
36
An anti-COVID drug widely used across the world may have caused mutations in the virus, researchers said on Monday, but there was no evidence that the changes had led to more dangerous variants.
Molecular & Computational biology
Sep 25, 2023
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55
In a solar system called TRAPPIST-1, 40 light years from the sun, seven Earth-sized planets revolve around a cold star.
Astronomy
Sep 25, 2023
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