Add Yahoo as a preferred source to see more of our stories on Google. After centuries of mapping the human body in ever-finer detail, scientists are still making discoveries. Here we are, in 2025, and ...

Hair, nails, and horns, all made up of keratin, are some of the hardest and most resilient structures in animals. Inside zebrafish cells, keratin plays a distinct role, giving them the strength they ...

Microglia, the immune cells that protect the brain, are thought to maintain a healthy brain environment by removing unwanted ...

In a quiet lab at Utrecht University, researchers have built a tool that lets you watch one of life’s most serious crises unfold in real time. Inside every cell, DNA breaks, repairs, and sometimes ...

Hair, nails, and horns, all made up of keratin, are some of the hardest and most resilient structures in animals. Inside ...

Here’s what you’ll learn when you read this story: Scientists were able to 3D-print different microstructures inside live cells, including a delightfully tiny micro-elephant. The team also printed ...

The colorful dots at the center are cytotoxic granules used to destroy infected or cancerous cells. Credit: F. Lemaitre @ ...

DNA doesn’t just sit still inside our cells — it folds, loops, and rearranges in ways that shape how genes behave. Researchers have now mapped this hidden architecture in unprecedented detail, showing ...

In new research, scientists at the Department of Energy's SLAC National Accelerator Laboratory, in collaboration with researchers at Harvard University and Brigham Young University, used the ...

Cells use a surprising “pearling” motion to evenly distribute mitochondrial DNA. This newly uncovered process may be key to ...

Custom polymer structures can now be 3D printed inside living cells using laser-based fabrication, opening paths to intracellular sensors, cell tracking tags, and embedded microlasers. (Nanowerk ...

UC Davis researchers Gant Luxton, Daniel Starr and Xiangyi Ding have used tiny fluorescent particles to study what is going on inside the cells of Caenorhabditis worms. They found that the cells are ...