Researchers have analyzed the antibody Immunoglobulin M in rainbow trout to shed some light on why these proteins may have evolved over time. Antibodies -- proteins that are produced by our immune ...

Frogs possess an extraordinary ability to breathe and drink through their permeable skin, a vital adaptation for survival in ...

Scientists have discovered a hidden fibrous sheath beneath the belly button that explains why navels stay concave for life.

The skin can absorb nicotine from cigarettes. This may cause adverse effects such as premature skin aging, delayed wound healing, and increased infections. It may also lead to skin diseases like ...

A recent viral video showed the inside of a kangaroo's pouch. Viewers found its pinkish, hairless appearance surprising. The ...

When a kangaroo holds her joey close inside her pouch, she’s doing more than keeping it warm as she’s helping it grow ...