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149 notícias encontradas para "shape"
Physical laws explain why most flies evolved similar flight, with mosquitoes as outliers
A new study in PLOS Biology of 133 species of flies, mosquitoes and their relatives shows that most species fly in surprisingly similar ways. Physical and aerodynamic laws shape the evolution of their flight behavior more strongly than previously thought. Mosquitoes prove to be a
Climate oscillations shape nature's coral refuges in a warming ocean
Climate oscillations shape nature's coral refuges in a warming ocean
Why do some coral reefs weather marine heat waves better than others? A new study published in Scientific Reports shows that the answer may lie not only in local ocean conditions, but also in climate patterns that span entire ocean basins. By combining long-term ocean observation
Self‑building molecular rings bring next‑generation drug delivery and smart materials clos
Self‑building molecular rings bring next‑generation drug delivery and smart materials clos
Rotaxanes are dumbbell-shaped mechanically interlocked molecules in which one or more ring-shaped molecules are threaded through a linear segment, known as the axle. To keep the ring from sliding off, two bulky groups, sometimes called stoppers, are added to the ends of the axle.
Patterned frozen soils get their shape from gravity and funky physics
Patterned frozen soils get their shape from gravity and funky physics
Hillslopes in Arctic regions with frozen soils can host a suite of geometric patterns, from circles and stripes to polygonal patterned ground. They can also have solifluction patterns, or markings left behind when partially thawed permafrost slips and flows down a slope. Solifluc
Where you live could shape your dementia risk, massive study finds
Where you live could shape your dementia risk, massive study finds
Researchers analyzing data from more than 214,000 people found that dementia risk factors differ widely across countries, challenging the idea of a one-size-fits-all prevention strategy. At the same time, they uncovered surprisingly consistent patterns that could help shape smart
Computer-guided electricity rapidly transforms flat nanofilms into 3D shapes on demand
Computer-guided electricity rapidly transforms flat nanofilms into 3D shapes on demand
Researchers at Nagoya University in Japan have developed a method to form dome-shaped bumps on nanofilms in water using a computer-guided electron beam. The bumps form within 10 seconds and can be flattened, reshaped or repositioned as needed.
Oobleck droplets reveal 5 ways cornstarch 'goo' behaves when hitting water
Oobleck droplets reveal 5 ways cornstarch 'goo' behaves when hitting water
Cornstarch can thicken soup or serve as a base for a DIY shampoo, but there's more to the humble pantry staple. Given the right conditions, it seems to defy the laws of physics. Mixing cornstarch with water creates "oobleck"—a shape-shifting substance classified as a non-Newtonia
Study reveals how gas bubbles shaped Kīlauea's 2018 lava flow
Study reveals how gas bubbles shaped Kīlauea's 2018 lava flow
The lava that buried entire neighborhoods during the 2018 Kīlauea eruption was composed of nearly 80% gas bubbles near its source. A recent study shows that those bubbles played a central role in controlling how fast and far the lava traveled and that lava flow models need to acc
Brazil's highland forest has been shaped by climate change and Indigenous people for 6,000
Brazil's highland forest has been shaped by climate change and Indigenous people for 6,000
When you think of a South American rainforest, you probably don't imagine biting winds, heavy frosts and freezing temperatures. But in the mountains of southern Brazil, that's exactly what you can find. On this highland plateau, far from Amazonia in the country's coldest region,
Evolutionary history shapes plant carbon storage strategies worldwide
Evolutionary history shapes plant carbon storage strategies worldwide
Two types of carbohydrates are important to plants—structural carbohydrates (which form cell walls) and nonstructural carbohydrates (NSCs). The latter group represents plants' stored energy reserves, which can be used to survive cold or drought; regrow after damage; recover from
New study analyzes how electronic trading is changing the retail investment market
New study analyzes how electronic trading is changing the retail investment market
The decades-long switch from human-centered to electronically-based trading has changed the way investors participate in and access financial markets. In a new article, researchers analyze how technology has shaped the retail investment market in the United States. While retail i
UN statements help predict China's human rights compromises, analysis suggests
UN statements help predict China's human rights compromises, analysis suggests
A study of China's participation in United Nations human rights reviews argues that its public statements are more than diplomatic rhetoric. The paper published in the International Journal of Public Law and Policy also suggests that they serve as strategic signals that shape lat