Tuberculosis remains one of the world’s deadliest infectious diseases, killing 1. 23 million people in 2024, according to the ...

Many of the body's biggest flaws are the result of evolution building on old designs instead of starting over. Our spine, ...

For years, one of the simplest explanations for human intelligence was also one of the biggest: the human brain has an enormous number of neurons. It also has an even more enormous web of connections ...

DZNE researchers have uncovered a mechanism that determines why a neuron usually forms a single, long extension called an ...

In mammals, hair follicles emerge during embryonic development, forming geometric patterns that vary from one species to ...

The human-made cells show many hallmarks of life, but they can't make all their necessary internal structures or divide for ...

In the earliest stages of life, mammalian embryos start as a disorganized cluster of cells. As development progresses, these cells become organized into well-defined shapes and structures. This ...

Chinese scientists have recently constructed the first three-dimensional spatial single-cell atlas of the lamprey whole brain, which is equivalent to drawing a detailed spatial "map" of the brain.

We tend to view ourselves and the complex cells that build us as a distinct branch of the tree of life from the compact, seemingly featureless cells of bacteria and archaea. But we’ve found that our ...

The epidermis protects the body from ultraviolet radiation and prevents water loss. The dermis contains glands that produce oil and sweat, helping regulate temperature and skin health. The hypodermis, ...