Selfies may increase social sensitivity.
One study found that taking and sharing selfies was associated with a higher level of social sensitivity, meaning people become more attuned to social cues (like how others perceive them)
Black cats are black because of high levels of eumelanin pigment, and the gene that produces it is dominant. A kitten only needs one black gene from a parent to have a black coat.
The brain of adult men is approximately 10% larger than that of women. Because men are typically taller and have more muscle mass than women, their brains require more neurons to control the body.
