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Austrália
Em 2026: 319 notícias
Desde 1995: 3029 notícias
First Fossil Lichen Shaped Early Land Ecosystems
Publicado em 27 de janeiro de 2026
A group of researchers supported by FAPESP has confirmed the identity of the first lichens to inhabit Earth, Spongiophyton, around 410 million years ago, in great detail for the first time. Lichens are a symbiosis of fungi and algae that are now quite common on tree trunks and roofs. They are believed to be partly responsible for structuring terrestrial ecosystems because they dissolve rocks and may have helped form the first soils.
The study was published in the journal Science Advances [...]
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Something About Brazil's Oldest People May Reveal Missing Clues on Longevity
Publicado em 20 janeiro 2026No one can evade death forever, but some people are mysteriously good at it. While the average human life lasts about seven decades, a few sturdy souls press on to become centenarians – people who live for at least a century. About 1 in 1,000 centenarians will survive an additional decade, earning the elite title of ' supercentenarian ' upon reaching their 110th birthday. Scientists are understandably fascinated by these notable survivors, who may hold valuable secrets about [...]ScienceAlert (Austrália) -
How the frog meat trade helped spread a deadly fungus worldwide
Publicado em 19 janeiro 2026Bullfrog (Aquarana catesbeiana), an exotic species commercially bred in Brazil since the 1930s and associated with the global spread of the chytrid fungal strain. A century-old Brazilian fungus may have gone global by hitching a ride in the international frog meat trade. Summary: A deadly fungus that has wiped out hundreds of amphibian species worldwide may have started its global journey in Brazil. Genetic evidence and trade data suggest the fungus hitchhiked across the world via [...]Nexus Newsfeed (Austrália) -
Featured Artificial saliva containing sugarcane protein helps protect the teeth of patients with head and neck cancer
Publicado em 19 janeiro 2026An artificial saliva in the form of a mouthwash, produced with the CANECPI-5 protein extracted from sugarcane and modified in a laboratory, can aid in treating teeth in patients with head and neck cancer. In these cases, radiotherapy very close to the mouth can destroy salivary glands and compromise saliva production, which is essential for controlling bacteria and disease. According to research conducted at the Bauru School of Dentistry at the University of São Paulo (FOB-USP) in [...]Oncology News (Austrália) -
Global Spread of Deadly Amphibian Fungus Traced to Brazil
Publicado em 16 janeiro 2026The chytrid fungus (Batrachochytrium dendrobatidis), or Bd for short, is considered one of the causes of the worldwide decline in amphibian populations. In recent years, researchers have identified different genetic strains of the fungus that causes chytridiomycosis in various parts of the world. This has already led to the decline of at least 500 species of anuran amphibians, including toads and frogs. The global spread of the fungus is attributed to the trade of bullfrogs (Aquarana [...]Mirage News (Austrália) -
High blood pressure could be linked to brain and breathing, rat study shows
Publicado em 15 janeiro 2026Media Release: Brain linked to high blood pressure Scientists have discovered that a part of the brain may be behind high blood pressure. The lateral parafacial region sits in the brainstem – the oldest part of the brain – which controls automatic functions such as digestion, breathing, and heart rate. “The lateral parafacial region is recruited into action causing us to exhale during a laugh, exercise or coughing,” says lead researcher Professor Julian Paton, director of [...]Australian Science Media Centre (Austrália) -
Scientists discover the brain region behind high blood pressure
Publicado em 13 janeiro 2026Scientists have discovered that a part of the brain may be behind high blood pressure. The lateral parafacial region sits in the brainstem – the oldest part of the brain – which controls automatic functions such as digestion, breathing, and heart rate. "The lateral parafacial region is recruited into action causing us to exhale during a laugh, exercise or coughing," says lead researcher Professor Julian Paton, director of Manaaki Manawa, Centre for Heart Research at Waipapa Taumata [...]News Medical (Austrália) -
Want to age well? Scientists reveal how supercentenarians fight ageing
Publicado em 12 janeiro 2026Reaching your 100th birthday is an achievement most of us can only dream about. But what if we told you there’s an even more exclusive club, one with just 279 validated members worldwide, of people who’ve blown past that century mark and kept going well into their second century of life? Scientists are studying Brazil’s remarkable supercentenarians, people who live beyond 110 years. Their research has uncovered fascinating insights into what helps these extraordinary individuals [...]YourLifeChoices (Austrália) -
Record-Breaking Asteroid Spins So Fast It Should Tear Itself Apart
Publicado em 09 janeiro 2026With data collected months before its main survey is due to begin, the Vera C. Rubin Observatory is already upending what we thought we knew about asteroids. In the Main Belt of asteroids between the orbits of Mars and Jupiter, the telescope spotted a large asteroid spinning shockingly fast. Its name is 2025 MN 45, it measures 710 meters (2,330 feet) across – and it has a spin period of just 1.88 minutes. That's far, far past the 2.2-hour spin barrier, beyond which asteroids larger [...]ScienceAlert (Austrália) -
Solar Hydrogen Can Now Be Produced Efficiently Without the Scarce Metal Platinum
Publicado em 09 janeiro 2026A green advance | A research breakthrough opens up for efficient hydrogen production from solar energy – without using the scarce metal platinum. In a reactor at a chemistry laboratory at Chalmers University of Technology, Sweden, bubbles of hydrogen gas can be easily seen with the naked eye as they form – showing that photocatalysis is happening efficiently. Image: Chalmers University of Technology | Mia Halleröd Palmgren A research team led by Chalmers University of Technology, [...]Ecovoice (Austrália)