科学与环境
Large mutation analysis challenges claim that evolution shields important genes from changes
来源: Phys.org - latest science and technology news stories · 发布于
The idea that important genes mutate less frequently than others was first proposed in 1972 as a challenge to the traditional view of evolution. But the claim has remained contentious. Now, new research from the University of Bath finds the evidence behind that theory to be flawe
The idea that important genes mutate less frequently than others was first proposed in 1972 as a challenge to the traditional view of evolution. But the claim has remained contentious. Now, new research from the University of Bath finds the evidence behind that theory to be flawed.
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Digital twins for plants: How ordinary cameras are helping preserve living collections
Researchers at the University of Tartu have shown that everyday cameras can create detailed, explorable 3D models of plants, giving botanical gardens and museums an affordable way to document and preserve living collections. The study, by Toivo Aukusti Ylinampa and Urmas Kõljalg,
Phys.org - latest science and technology news stories ·
High water, high rents: Poorest residents pay the most for climate adaptation
As cities worldwide adapt to extreme weather, climate adaptation must prevent people from wading through flooded streets in the future. But the costs are not equally shared. A study from the University of Copenhagen shows that climate adaptation policies may even make social ineq
Phys.org - latest science and technology news stories ·
Transparency in earnings calls does not guarantee equal access to information
The specialized language used by analysts and management in listed companies' Q&A sessions can be challenging for individual investors to follow. However, Kaisa Penttinen's doctoral dissertation in accounting at the University of Vaasa, Finland, shows these sessions still deliver
Phys.org - latest science and technology news stories ·
Lipids from banana peels help cherry tomatoes stay fresh longer
Fruits and vegetables keep "breathing" even after they're picked. Respiration consumes sugars and organic acids that contribute to flavor, while moisture loss and continued ripening soften the fruit. These changes shorten shelf life and contribute to food waste. Thin edible coati
Phys.org - latest science and technology news stories ·
A radical theory says the universe is twice as old as we thought
A provocative new cosmological model suggests the Universe could be 26.7 billion years old and might not need dark matter or dark energy to explain its behavior. University of Ottawa researchers tested the theory against several major astronomical observations, finding that it co
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