科学与环境
Bumblebees carry bacteria-killing viruses to cherry blossoms, reducing bacterial populations in experiments
来源: Phys.org - latest science and technology news stories · 发布于
As they fly about their usual business of pollinating flowers, bumblebees could help protect fruit trees from disease by carrying a natural treatment directly to where it is needed.
As they fly about their usual business of pollinating flowers, bumblebees could help protect fruit trees from disease by carrying a natural treatment directly to where it is needed.
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Your gut bacteria may reveal how fast your brain is aging
A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with poorer memory, focus, and mood. The findings suggest that biological signs of brain aging may appear decades before obvious symptoms and could ev
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Mulberry may reshape gut bacteria and influence metabolism
Mulberry compounds may reshape the gut microbiome in ways that support intestinal health and metabolism, with some combinations showing especially strong effects in animal studies. However, the results vary depending on the plant part and processing method, and the benefits have
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Lipid signals help cells seal the damage from bacterial attacks, researchers discover
Epithelial cells form the body's frontline barriers, helping keep microbes, toxins and other harmful substances out. Yet these protective cells are constantly exposed to threats, including microbial infections. Some bacteria produce pore-forming toxins that can oligomerize and ac
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Resource scarcity influences maternal brain activity and caregiving in rats
When mothers do not have the necessary resources to raise their children, this adversity causes substantial stress that can hinder caregiving and lead to postpartum depression. In a new study in JNeurosci, Millie Rincón-Cortés and colleagues from the University of Texas at Dallas
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Space radiation sparks: A biological cascade of cancer
Deep space travel comes with a huge potential downside—radiation exposure that can kill an astronaut either quickly or slowly over time if not managed correctly. But what exactly does that mean, and is there any way to handle it other than sticking more and more protective layers
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