Vector illustration of sperm cells in black silhouette style. Simplified spermatozoa icon isolated on a white background, ideal for use in fertility, reproduction, pregnancy, medical, biological, or ...

With NEET approaching, smart revision is key. Focus on 7 important Biology topics Human Physiology, Genetics, Reproduction, ...

That's because sex — and gender roles, too —permeates all the way down to the most unreproductive of cell types. If you want ...

On a spring morning, a search for a specific species of fern leads to a discussion on ancient plant history, vascular beauty ...

Per the Cleveland Clinic, symptoms of larger ovarian cysts include pelvic pain, aches in the back, feelings of fullness or ...

Scientists at the National Cancer Institute and partnering institutions have discovered that Schmidtea polychroa, a flatworm ...

在小肠内部，绒毛（负责吸收营养的突起）和隐窝（产生绒毛细胞的地方）也随着肠道的延长而变长变深。然而，这些结构在断奶后仅7天就恢复到怀孕前的状态。研究人员推测，较长的小肠和绒毛可能有助于增加妊娠期间母体和后代所需的营养摄入。

Imagine standing in front of a gentle giant whose kind once roamed vast African plains in great numbers, only to realize you ...

A man who battled childhood cancer has received the first known transplant of sperm-producing stem cells, in a study aimed at ...

Sulfoxaflor, a systemic insecticide, causes impacts on reproductive behaviors and male fertility in the red mason bee species ...

Growing microplastic pollution poses health risks, but new research offers hope. A study reveals that colorful fruits and ...

Hailey Bieber is opening up about a recurring health challenge she's been facing. On April 21, the model shared a selfie of herself lounging on a couch while sporting an unamused expression.