Vsauce’s Michael Stevens looks at the historical, biological and psychological reasons behind the wonderful act of kissing!
Many people believe that when a person is injured, whether it’s on the job, out at lunch, or in a car accident, the physical and emotional toll only affects that person. However, the family of the injured person can be just as emotionally affected, and sometimes even more so. Continue reading
In this talk, Andy Puddicombe speaks on the importance of taking care of our minds. He references scientific studies which claim that our minds are lost in thought 47% of the time and that mind-wandering is directly linked to unhappiness. Puddicombe stresses the mental health benefits of meditation, not only as a possible cure for stress, but also as a preventative measure. He argues that while “we can’t change every little thing that happens to us in life…we can change the way that we experience it.”
Polygraph machines and their recent software-based incarnations measure pulse, perspiration, vocal frequency and pupil dilation in order to reveal whether someone is telling the truth or not. In short, when we lie we get a little flustered. By remembering the “base rate” benchmark of the individual, the software estimates whether the subject experiences stress during a particular line of questioning. They are fallible purely because they are designed to detect subtle signs of stress – not the deception itself. Continue reading