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How mating competition, age and sex shape immune systems in wild bats

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and competition for mates influence how bats balance different types of immune defenses—provid

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How giant tropical trees transport water 70 meters to stay as drought-resilient as smaller

The giant trees of tropical forests are important allies in the fight against climate change because of their ability to store carbon, yet they are still poorly understood by science. However, a study published in the journal Science reveals a crucial survival mechanism: These tr

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Fighting an emerging threat to strawberry crops

A few years ago, Austin Wrenn noticed something unsettling in his strawberry greenhouses at Wrenn's Farm in Zebulon, North Carolina. He was one of the first growers in the state to experience losses from an unexpected, aggressive fungal pathogen known as Neopestalotiopsis, or Neo

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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

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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.

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Scientist dubbed The Bogfather is restoring peatland to fight climate change

A childhood fascination with bogs led one Welsh scientist to try and help save the planet. O recorte ajuda a contextualizar a pauta dentro de Agro.

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The fight against green ‘waste’: how a Victorian community came together to create garden

Kitchen scraps and garden waste can be a valuable resource. But some communities are forgoing the Fogo bin and collecting their own compostChange by degrees offers life hacks and sustainable living tips each Saturday to help reduce your household’s carbon footprintGot a question

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Fighting the world's deadliest infection with PAC-MAN and AI

Tuberculosis, caused by the bacterium Mycobacterium tuberculosis (Mtb), is the world's deadliest single-agent infection, responsible for 1.23 million deaths in 2024, according to the World Health Organization. The bacterium's unique outer cell membrane is notoriously hard to pene

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‘We won’t give up, we’ll keep fighting’: activists in Colombia vow to resist far-right pus

As the newly elected president, Abelardo de la Espriella, pledges to exploit oil reserves, environmentalists prepare to defend climate progressIt is hard for Yuvelis Morales Blanco to pinpoint when her activism started. Now 25, she recalls getting involved in land rights and envi

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Turning up the heat on cancer: Manganese ferrite nanoparticles outperform rivals

Scientists have long known that heat can be used to help fight cancer. But heating tumors and cancer cells is trickier than it sounds. Apply too much heat and patients could get hurt; apply too little or target the wrong location and the therapy will not be effective.

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A hidden immune backup system could supercharge mRNA cancer vaccines

Researchers found that mRNA cancer vaccines can recruit an unexpected immune cell to launch powerful tumor-fighting responses, overturning a long-held assumption about how the vaccines work. The discovery could lead to more effective cancer vaccines and help scientists tailor tre

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Immune cells get transformed into fungus-fighting nanoparticles

Tiny particles made from the membranes of human immune cells could offer a promising new way to fight fungal infections that are becoming harder to treat. Engineers at the University of California San Diego created antifungal nanoparticles that target Candida albicans, a fungus r

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