biology

Two-headed snakes are real but exceptionally rare, occurring as a form of axial bifurcation not exclusive to serpents but observed across classes. This condition, technically te...

Asian ladybugs, particularly Harmonia axyridis, are native to Asia but have become an invasive species across much of Europe and North America. This guide explains how to identi...

Sharks with human eyes refers to the rare observation of sharks whose visible ocular features or genetic markers resemble those found in humans, particularly in iris structure a...

No verified green cats exist in stable, recognized breeds or documented populations. While a cat’s coat may appear greenish under unusual lighting, medical conditions, or afte...

The thylacine, or Tasmanian tiger, was the largest known carnivorous marsupial of modern times. While reports of colossal individuals persist in folklore, verified measurements...

A new shark species is formally recognized when a research team presents genetic, morphological, and geographic evidence that clearly distinguishes a population from all previou...

A body is the physical structure of a living organism, comprising tissues and organs that support life functions. In everyday usage, it often refers to the human body, which inc...

The coelacanth is a rare lobe-finned fish long thought extinct until a living specimen was caught off South Africa in 1938. Often called a living fossil, this nocturnal deepwate...

The Amazon Basin hosts one of the world’s most diverse and complex plant communities, adapted to seasonally flooded lowlands, nutrient-poor uplands, and dynamic river corridor...

Alligator sperm is the male gamete produced by the testes of male alligators and is central to reproduction in crocodilians. It is collected, processed, and sometimes cryopreser...