Landscape of the Alaskan lowlands north of the Brooks Range. Image: U.S. Fish and Wildlife Service A study lifts the veil on the evolutionary origins of the tundra, a vast Arctic biome shaped by falling temperatures and rising grounds. Grasslands dotted with dwarf...
The Skhul V cranium from Israel is estimated to be between 80,000 and 100,000 years old. Residents of the Arabian Peninsula at that time may have been the first to carry genome fragments seen in Inuit populations today (Photo: Wapondaponda) Greenland’s indigenous...
This is Chionodraco hamatus which belongs to the group of ice fish, the Notothenioides. A group of animals that make up 95% of the biomass of Antarctica between 0 and 3,000 meters depth. Image: Marrabbio2 / Wikimedia The ice fish Chionodraco hamatus has acquired the...
Polar bear plunge: Polar bears are fully equipped to face icy waters. A thick fur made up of two layers : one to keep the body warm and another of hollow hairs to repel water and stay dry. And under the skin, a thick layer of fat to protect the internal organs…...
Temperatures in Antarctica vary considerably on land, but in the ocean they usually remain just above or at freezing point. For fish, this means a stable environment. Seals, on the other hand, alternate between land and water and are thus exposed to higher temperature...
