Notícias · Recifes

Study links sea level to Earth's carbon thermostat

Earth has a natural thermostat that has kept the planet habitable for more than 100 million years. Scientists have struggled to fully explain how it works, but new research identifies a missing link between phosphate availability and sea level. Temperature influenced the size of

Admin Recifes 15/07/2026 1

Where mainshocks strike may explain earthquake size patterns better than timing, data sugg

Japan is well known for its large earthquakes, but not all regions show the same patterns of earthquake activity. One way to understand which places tend to experience large or small earthquakes is the b-value, a key statistical measure long used by researchers to understand seis

Admin Recifes 15/07/2026 1

Frame-dragging observations validate Einstein yet again

More than a century after Albert Einstein first transformed our understanding of gravity, his general theory of relativity continues to withstand ever more demanding experimental tests. Now, an international team led by Ignazio Ciufolini at the Chinese Academy of Sciences has car

Admin Recifes 15/07/2026 1

Study reveals Hawaiian hotspot is getting hotter

Contrary to conventional geological thinking, the Hawaiian mantle plume has gotten hotter by about 250°C (480°F) over the past 47 million years. This discovery, led by Earth scientists at the University of Hawai'i at Mānoa, reverses the long-held idea that hotspots start out very

Admin Recifes 15/07/2026 1

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 0

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 0

Astronomers just found four hidden white dwarf stars near Earth

Four nearby white dwarf stars have been discovered hiding in plain sight beside brighter red dwarf companions. Hubble's ultraviolet observations finally revealed the long-hidden stellar remnants, including one just 25 light-years away that took nearly three decades to confirm. Th

Admin Recifes 15/07/2026 1

Can everyone live a ‘good life’ without destroying the planet?

Cutting back on our use of energy and materials so that we live within Earth’s means can seem like an insurmountable challenge. But after a decade grappling with these problems, a historic Portuguese city is beginning to walk this tightrope

Admin Recifes 15/07/2026 1

Tecnologia

Motor sem terras raras promete revolucionar carros elétricos

Startup indiana cria motor elétrico sem terras raras e aposta em tecnologia com software para reduzir dependência da cadeia chinesa O post Motor sem terras raras promete revolucionar carros elétricos apareceu primeiro em Olhar Digital.

Admin Recifes 14/07/2026 4

Prêmio internacional celebra fotógrafos que expõem crise ambiental e humana

O Earth Photo reuniu imagens impactantes sobre tráfico de tartarugas, focas encalhadas e trabalhadores deslocados. Conheça os vencedores que emocionaram o mundo.

Admin Recifes 14/07/2026 1

Tecnologia

Estudo sugere que viagens espaciais aceleram envelhecimento do fígado

Trabalho aponta que, apenas 24 horas após o contato com níveis de radiação comparáveis aos encontrados no espaço profundo, já é possível identificar mudanças genéticas no órgão O post Estudo sugere que viagens espaciais aceleram envelhecimento do fígado apareceu primeiro em Olhar Digital.

Admin Recifes 14/07/2026 5

Tecnologia

A lava é perigosa, mas há algo ainda pior nas erupções vulcânicas

Estudo revela que gases liberados por rochas aquecidas após grandes eventos vulcânicos podem ter provocado mudanças climáticas extremas O post A lava é perigosa, mas há algo ainda pior nas erupções vulcânicas apareceu primeiro em Olhar Digital.

Admin Recifes 13/07/2026 4

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