Researchers at the Marine Biological Laboratory (MBL) have imaged a heritable form of bacterial symbiosis inside the ...

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Puberty is the time when children’s bodies start to make hormones that lead to physical changes and signs of maturation.

Buried in your body is a tribute to a long-dead Italian anatomist, and he is not the only one. You are walking around with the names of strangers stitched into your bones, brains, and organs. We all ...

A woman's fertility usually begins to decline in her mid-30s. This means the chances of becoming pregnant decreases drastically each month. But a recent study shows that the ovary's cells and tissues ...

Anna Murray is a co-founder and consultant for OvartiX Limited. She receives funding from the MRC and Wellcome Trust. She is affiliated with the University of Exeter. A woman’s fertility usually ...

In this study, human ovaries from younger (23 to 30 years old) and older donors (37 to 58 years old) were examined, showing that oocyte (egg) density in human ovaries falls sharply with age, ...

This project aims to create a new, human-based system for detecting harmful effects of chemicals on the liver, using advanced 3D liver models instead of animals. By combining data from multiple tests ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

The ticking of the biological clock is especially loud in the ovaries — the organs that store and release a woman’s eggs. From age 25 to 40, a woman’s chance of conceiving each month decreases ...