The scientific community agrees that viruses are not alive. However, the idea sparks some debate because it depends on how we define life.
Ageing occurs because we divest energy from ourselves and into reproduction, so we have less available to survive.
The description of the «Valencian wood fairy» or Valenciolenda fadaforesta (Hoch & Sendra), a new species and genus, was recently published.
Humans, unlike some animals, do not base their mating choices exclusively on genetics. There are many cultural and social determinants.
Sickness behaviours are far from being exclusive to humans; they have been found in virtually all animals in which they have been studied.
Some mammals experience a feeling of soft pain when tasting fruits with capsaicin. This mutation has survived with the evolution of mammals.
Understanding the discourse of aging analyses different perspectives on ageing in the media and mass culture.
Human eyes cannot perceive colours at night because cones, responsible for colour perception, are only activated under intense light conditions.
In Lamarck's revolutionary work, only his failed attempt to elaborate a coherent theory of the evolutionary process has remained in popular teaching.
