
Huge caves in South America neither human nor natural, mystery revealed
Giant prehistoric creatures at work: Thousands of huge caves in South America unravel an ancient mystery
Giant prehistoric creatures at work: Thousands of huge caves in South America unravel an ancient mystery
A map shows which areas of the world to find unknown animals, and where to direct searches. A good initiative to defend biodiversity.
In a surprising (and controversial) experiment, horses exhibit features previously only belonging to primates.