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3,036 notícias encontradas para "sign"
Hello from the outside: heat domes impeding radio and other signals in US midwest
Hello from the outside: heat domes impeding radio and other signals in US midwest
Higher temperatures can cause radio, TV and microwave signals to travel hundreds of miles farther, upsetting communicationsIt was 3am in north-east Indiana’s Huntington county when the outdoor emergency alarm went off on 1 July.The only issue? There wasn’t a storm, tornado or any
Admin Recifes 15/07/2026 4
Are there aliens on exoplanet K2-18b? Scientists just scanned it for signals
Are there aliens on exoplanet K2-18b? Scientists just scanned it for signals
K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually powerful radio survey using both the VLA and MeerKAT telescopes. Advanced software analyzed millions of signals, filtering out Earth-based interference and o
Admin Recifes 15/07/2026 6
Heavy-element exotic dust may solve a neutron star merger mystery
Heavy-element exotic dust may solve a neutron star merger mystery
When neutron stars merge, they create a powerful explosion called a kilonova that flings out neutron-rich material, some of which decays into heavy elements through a process called the r-process. Recent observations of kilonovae revealed unexpected signatures that could not be e
Admin Recifes 15/07/2026 5
Moderate heat is enough to trigger signs of inflammation and coagulation in dairy cows
Moderate heat is enough to trigger signs of inflammation and coagulation in dairy cows
Climate change is transforming livestock farming—and at a faster rate than many anticipate. More frequent and intense heat waves place a heavy physiological strain on dairy cows.
Admin Recifes 15/07/2026 4
New mechanism shows how plants rapidly adapt to intense sunlight
New mechanism shows how plants rapidly adapt to intense sunlight
Plants do not wait hours to respond to intense sunlight—they react within minutes. Researchers at Bielefeld University and the Australian National University have discovered a new signaling pathway that enables plants to directly adjust their protein production before genes in th
Admin Recifes 15/07/2026 4
New atomic trap boosts quantum performance by using surface forces
New atomic trap boosts quantum performance by using surface forces
Researchers at Humboldt-Universität zu Berlin have developed a new method for trapping and controlling atoms near an ultrathin glass fiber. This has significantly improved the atoms' ability to store quantum information—an important step forward for future quantum technologies.
Admin Recifes 15/07/2026 3
Ancient DNA analysis reveals Wiltshire’s Upton Lovell Shaman was a woman
Ancient DNA analysis reveals Wiltshire’s Upton Lovell Shaman was a woman
Exclusive: Analysis offers ‘smoking gun evidence’ that overturns previous assumption that bronze age individual was maleThe Upton Lovell Shaman, a bronze age individual who has been depicted in museum exhibits as a bearded spiritual leader and metalworker, was female, an ancient
Admin Recifes 15/07/2026 4
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
Admin Recifes 15/07/2026 4
Ocean acidification emerging as a planetary signal linking today's carbon emissions to Ear
Ocean acidification emerging as a planetary signal linking today's carbon emissions to Ear
When most people hear the phrase "ocean acidification," they think of coral reefs, shellfish or declining fisheries. Those concerns are real. But while working on our recent research, I found myself asking a different question: What if ocean acidification is telling us something
Admin Recifes 15/07/2026 4
Astronomers uncover the earliest known signs of galaxy-building in action
Astronomers uncover the earliest known signs of galaxy-building in action
Astronomers at Durham University have made a major advance in understanding how galaxies formed and evolved in the early universe. Using powerful new observations, the team discovered the most distant example ever found of a compact, star-forming structure at the heart of a galax
Admin Recifes 15/07/2026 5
Low carbon dioxide levels improve microbial production of biodegradable plastic
Low carbon dioxide levels improve microbial production of biodegradable plastic
In an innovative gas fermentation process, reducing the concentration of carbon dioxide was found to significantly improve microbial production of the biodegradable plastic poly[(R)-3-hydroxybutyrate]. Researchers found that hydrogen-oxidizing bacteria grown under safe, nonflamma
Admin Recifes 15/07/2026 4
When words signal conflict: Measuring exclusionary nationalism in prewar Japan
When words signal conflict: Measuring exclusionary nationalism in prewar Japan
Why do countries go to war? While economic, military and geopolitical factors are often part of the answer, researchers have also pointed to exclusionary nationalism—the belief that one's own nation is superior to others. One observable trace of such sentiment is language: As exc
Admin Recifes 15/07/2026 4
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