In our bodies, there are trillions of cells. From white blood cells to skin cells, each type has its own specific function which helps us perform tasks and survive. But what makes up these cells and ...

Genes are segments of DNA (deoxyribonucleic acid) that are located inside every human cell. The DNA inside each cell is tightly coiled in structures called chromosomes. Each chromosome contains a ...

Environmental DNA research has aided conservation, but scientists say its ability to glean information about human populations and individuals poses dangers. Credit...Isabel Seliger Supported by By ...