Researchers report genetic influences on head circumference remain stable during development and are correlated with genetic factors which contribute to intracranial volume.
Researchers have identified a gene that has evolved through natural selection and is implicated in psychiatric disorders and personality traits. The study suggests natural selection has helped shaped our psychiatric traits and helped to maintain human diversity.
Researchers report that, at the molecular levels, aging may have originated at the beginning of the evolution of life. They suggest when it comes to genes, aging may not always be a negative trait, and may help an organism to survive.
A new study reports female guppies with smaller brain mass can distinguish between attractive males, but do not find them more appealing or choose to mate with them over less attractive guppies. Researchers say the study sheds new light of the link between mate preference and cognitive ability.
According to a new study, tapeworms can protect infant rats from neuroinflammation.
A new study sheds light on infanticidal behavior in male chimps, and reveals females are highly sensitive to the relative risks posed to their offspring by different males.
Researchers report the cranium of a 4 million year old hominin shows striking similarity to that of modern humans.
Much like other animals, the upside-down jellyfish enters into sleep. However, unlike other animals, the jellyfish has no central nervous system. Researchers believe the need to sleep evolved before the emergence of a central nervous system.