Horses can sleep standing up thanks to an impressive evolutionary adaptation. In the wild, lying down made horses vulnerable to predators. Getting up quickly takes...
Moths have light-sensitive pigments in their eyes, called rhodopsins. These pigments react strongly to certain wavelengths of light, particularly ultraviolet light. Their night vision is...
Mosquitoes can develop a genetic resistance to repellents. It's a bit like some of them wearing an invisible cloak against the chemicals we use. When...
Bears hibernate mainly to survive the winter. When temperatures drop and food becomes scarce, they enter energy-saving mode. During hibernation, their metabolism slows way down, and they...
Bees are super-pollinators. They transfer pollen from flower to flower. This process allows plants to reproduce. Flowers attract bees with nectar. When a bee lands...
Epiphytic ferns have developed special adaptations to survive in the heights of trees. They absorb water and nutrients directly from the air and rain through...
Spiders have claw-like structures at the end of their legs that function as mini hooks to grip the micro-roughness of surfaces. Cool, right? Additionally, they...
Gray squirrels (Sciurus carolinensis) are native to North America. They were introduced to Europe as early as the late 19th century, mainly in England, for...
The typical sound of the rattlesnake comes from a special structure located at the end of its tail, called a rattle. This kind of natural...
Platypuses belong to the very unique group of monotremes, the most primitive mammals that appeared about 200 million years ago. Unlike typical mammals (cats, dogs, humans) that...
