You may think you know how old you are, but your body doesn’t follow a calendar. Limited time: Save 25% on NBC News subscription Get exclusive reporting, live Q&As and ad-free reading. That is, your ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial and will fall apart on cosmic scales. If you’re on the surface of Earth—and I’m ...

Quantum technologies might seem incompatible with life. The quantum bits, or qubits, that make them up commonly require ultracold temperatures, and rely on hard, orderly materials like diamond or ...

Your genes code for all your traits. Some genes are dominant and expressed if you receive a copy from one parent. Others are recessive and only apparent if you receive a copy from both parents. Genes ...

Cellular imaging of the human anterior eye is critical for understanding complex ophthalmic diseases, yet current techniques are constrained by a limited field of view or insufficient contrast. Here, ...

Some people may be predisposed to having children of just one sex. That’s the conclusion of new findings published July 18 in Science Advances. While the chances of having a male or female child ...

How old are you really? Birthdays may be a common tally, but your “age” isn’t determined by time alone. New research increasingly shows the importance of considering chronological age as something ...

To a layperson, technology and biological life may seem like opposite poles. However, the tech industry regularly draws lessons from living organisms, striving to build tools and systems that not only ...

PROTECTING AMERICANS FROM DANGEROUS GAIN OF FUNCTION RESEARCH: Today, President Donald J. Trump signed an Executive Order to improve the safety and security of biological research in the United States ...

Chronological age reflects the number of years a person has lived. In contrast, biological age estimates the functional state of the body based on molecular and physiological markers, such as blood ...

Chronological age refers to a person’s age based on when they were born. The term biological aging describes the age of their cells, which can differ depending on genetic and environmental factors.

The important study established a large-scale objective and integrated multiple optical microscopy systems to demonstrate their potential for long-term imaging of the developmental process. The ...