Physical stress responses such as nail-biting or fidgeting may have evolved to show we are in a weakened state, prompting others to act more positively toward us.
Cells that drive myelin repair become less efficient due to aging. Myelin loss results in cognitive decline and is central to a number of neurodegenerative diseases.
According to a new study, men are twice as likely than women to consider themselves to be expert liars who can get away with being untruthful. One of the key strategies of liars is to tell plausible lies that are close to the truth, and not provide too much information.
A new study sheds doubt on existing theories of ape social cognition. Researchers argue it is possible apes and humans are equally capable in some aspects of social cognition, such as social signaling. The study concludes it is essential to not just consider evolution, but also environmental factors when researching ape-human differences.
Domestication transformed the facial muscle anatomy of dogs specifically for facial communication with humans. The muscular movement around the eyebrows resembles expressions humans produce when upset, triggering a nurturing response from the dog's owners.
People who consume coffee regularly have enhanced sensitivity to odors associated with caffeine. Those who drink more than 4 cups a day can identify the smell of coffee faster, and at weaker concentrations than those who drink less daily.
A newly developed model that mimics the blood-brain barrier could help researchers more efficiently test drugs to treat a range of neurological diseases.