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769 notícias encontradas para "natural"
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Abundant catalyst converts methane into valuable liquid chemicals
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and their collaborators have demonstrated a promising new approach for converting methane—the primary component of natural gas—into liquid chemicals that are precursors for many industrial chemical
Moretti descarta retomada imediata de leilão de petróleo
Moretti descarta retomada imediata de leilão de petróleo
Ministro do Planejamento e Orçamento citou volatilidade no cenário internacional e disse que equipe econômica avalia medidas sobre óleo bruto e gasolina. O post Moretti descarta retomada imediata de leilão de petróleo apareceu primeiro em Canal Rural.
ANP aprova regras para caracterizar alta abusiva nos preços de combustíveis
ANP aprova regras para caracterizar alta abusiva nos preços de combustíveis
Resoluções atingem revendedores e distribuidores de combustíveis líquidos e GLP e definem metodologia para notificações e autuações. O post ANP aprova regras para caracterizar alta abusiva nos preços de combustíveis apareceu primeiro em Canal Rural.
400-year-old painting reveals a bat's secret diet
400-year-old painting reveals a bat's secret diet
Natural historians have many observational techniques in their toolkit for learning about the natural world: tagging animals with tracking devices, recording sounds, analyzing droppings or simply watching and counting. As technology has advanced, these methods have grown far more
Quiet outings linked to more frequent dangerous wildlife encounters
The more people expand into previously natural areas, the more wildlife and humans step on each other's toes, leading to more interactions that may result in conflict. This includes national parks, where people flock to recuperate and enjoy the outdoors.
Global boom in livestock farming since 2006 is piling pressure on nature, report finds
Wildlife at risk as demand for cropland and water grows to feed 50% rise in farmed animals, campaign alliance saysThe number of mammals and poultry farmed worldwide has increased by half in the last two decades, research shows, and the amount of cropland used for feeding livestoc
‘Exploratory and curious animals’: mysterious rise in orca sightings off Northumberland co
Reasons for increase not clear but experts say it could be welcome sign marine ecosystem is becoming healthierThe Farne Islands off the Northumberland coast have long drawn fans of the natural world keen to catch sight of the resident guillemots and puffins.But as recently as las
Listen to Britain’s dawn chorus of 1976: the dramatic loss of birdsong in 50 years
Guardian recreates audio landscape of past filled by loud morning symphony before 73m wild birds were lostImagine a deafening abundance of birdsong so loud it wakes your children at dawn; the chirrup of house sparrows, the chattering of starlings, the melody of the wren, and the
Could this asteroid be a piece of the moon? A Chinese spacecraft is about to find out
Could this asteroid be a piece of the moon? A Chinese spacecraft is about to find out
The moon is not the only natural object traveling through space alongside Earth. Several small asteroids travel around the sun in near lockstep with our planet. And just like Earth, these space rocks also take a year to complete a full orbit. Today, we know of eight such "quasi-m
Foto: Вадим Биць / Pexels
Escaped flowerhorn fish threaten biodiversity, pose potential public health risks in Lagun
A hardy aquarium fish prized for its golden hue, the ornamental Flowerhorn cichlid (Amphilophus spp.) has become a problem for the residents of San Pablo City, Laguna: It is increasingly taking on an outsized role in both the natural ecosystem and local aquaculture operations in
Natural born killers—tracking immune cells as they cluster around cancer
There is a constant war going on in your body. Working against you are viruses and cancer cells growing uncontrollably, threatening your tissues and organs. Fighting on your side are immune cells such as lymphocytes, a type of white blood cell that includes T cells and B cells. B
Scientists discover why some brains resist Alzheimer's
Scientists discover why some brains resist Alzheimer's
Some brains appear to fight back against Alzheimer's by helping immature brain cells survive damage instead of succumbing to it. Understanding this natural resilience could point researchers toward entirely new ways to protect memory and slow dementia.