Stem cells are unspecialized cells that have the remarkable ability to develop into various types of cells in the body. They serve as a repair system, dividing essentially without limit to replenish ...

About 4 billion years ago, Earth began to show signs of the conditions that allowed the first cells to take hold and populate ...

In January 2025, scientists announced the discovery of organic molecules— the building blocks of life— in samples retrieved from a distant asteroid named Bennu. What can this discovery reveal ...

The functions of life are upheld in our cells (and those of all living beings ... molecules such as amino acids—the so-called building blocks of life. To explain the origin of life, we need ...

A new part of an ocean plant cell has been discovered that might revolutionize farming one day. The structure can take nitrogen and convert it into the ingredient that helps all organisms grow.

Similarly, stem cells generate the building blocks of organs, but the ability to organize specific cell types into a working human hand or eye has been and will be beyond ... Lab safety rules dictate ...

Zare’s team demonstrated the existence of micro-lightning, very small electricity discharges that occur between tiny droplets ...

Scientists believe the long chains of molecules could be fragments of fatty acids, which are organic molecules that are chemical building blocks of life on Earth and help form cell membranes.

Proteins are the molecular building blocks and engines of the cell, and are involved in practically all life processes. Researchers at the Max Planck Institute of Biochemistry investigate the ...