Baron Jakob Johann von Uexkull, a Baltic German biologist, mentioned in his book entitled Stroll through the World of Animals that all creatures, including plants, on this planet live in an Umwelt ...

CBSE Class 12th Biology Half Yearly Exam - This article contains a selection of essential Multiple Choice Questions (MCQs) for the CBSE Class 12th Biology Mid Term Exam 2025, specifically designed to ...

A lab study on crickets has revealed sex differences in how the insects direct their nutritional resources to increase ...

Artificial tissues that mimic the placenta, endometrium, ovary and vagina could point to treatments for common conditions ...

As men get older, changes in sexual health and fertility are often expected. For decades, the usual explanation has been a drop in testosterone or simply the aging process itself.

Our understanding of female–male power relationships in animals has changed over time. Evolutionary biologists once thought ...

Discover how gut and seminal microbes hold the key to sperm quality, fertility outcomes, and emerging treatments like ...

Right-wingers and gender-critics are hounding the NHS over a diagram showcasing a male pregnancy – except it’s not real. An ...

University of Hawaiʻi at Mānoa scientists have uncovered a direct link between a missing Y chromosome gene and male infertility. Their new research reveals that deleting this single gene in mice not ...

In a new study conducted at the University of Hawaiʻi at Mānoa, researchers from the John A. Burns School of Medicine (JABSOM) have shown that the loss of a key male fertility gene leads to ...

We humans love putting things in boxes. Assigning simple categories makes us feel comfortable – but all too often, biology ...

Researchers from The University of Osaka find that CFAP91 and EFCAB5 proteins are crucial for sperm motility, and that loss of function of either of these proteins reduces male fertility in mice Osaka ...