ScienceDaily
Scientists just found a way to 3D print one of the hardest metals on Earth
Researchers have developed a hot-wire laser 3D printing method for tungsten carbide–cobalt, one of the hardest industrial materials on Earth. Unlike conventional high-pressure manufacturing, the technique softens rather than fully melts the metals, dramatically cutting waste of the expensive raw materials. The breakthrough could reshape how industries produce cutting tools, drill bits, and wear-resistant components at scale.
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Scientists discover ancient DNA “switches” hidden in plants for 400 million years
Researchers have identified over 2.3 million regulatory DNA sequences in plants that have remained intact for more than 400 million years — a testament to their critical biological role. These "genetic switches," known as conserved non-coding sequences, control when and how genes are activated across hundreds of plant species. The discovery, made possible by a new computational tool called Conservatory, opens a major new frontier for understanding plant biology and could have significant implications for agriculture and crop development.
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Microplastics may be quietly damaging your brain and fueling Alzheimer’s and Parkinson’s
Emerging research suggests microplastics, consumed at an estimated 250 grams per year by the average adult, may be accumulating in the brain and triggering inflammation linked to neurodegenerative diseases like Alzheimer's and Parkinson's. The particles enter the body through food, water, and household dust, then work through multiple biological pathways to cause cellular damage. As microplastic contamination proves nearly impossible to avoid, the findings raise urgent questions about long-term neurological consequences for the global population.
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Textbooks were wrong: Scientists reveal the surprising way human hair really grows
New research overturns a foundational assumption about hair biology, revealing that hair is pulled upward by moving cells inside the follicle rather than pushed out from the root. Scientists used advanced 3D imaging to capture a spiral cellular motion that acts like a microscopic motor driving hair growth. The discovery has significant implications for how researchers approach hair loss conditions and develop new treatments.
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