High in the Ecuadorian Andes, at altitudes thousands of meters above sea level, humans face environmental pressures very different from those at lower altitudes. The human body can acclimatize, ...

Jack Capener stepped unknowingly into the heart of this culture on a trip to the Andes, which led him to spend a year and a ...

Chinchilla’s dense fur prevents parasites from surviving in it. A chinchilla’s coat doesn’t dry when wet due to the density, so they bathe with fine volcanic ash to remove oil and dirt. Female ...

DNA sequencing technology makes it possible to explore the genome to learn how humans adapted to live in a wide range of environments. Research has shown, for instance, that Tibetans living at high ...

In the Peruvian Andes, a small species of frog remained undetected in the scientific record for more than a century. Alexander Schimmeck via Unsplash Along the highest points of the Andes, the rolling ...