Whose idea was it to add cheese to the hamburger?

Adding cheese to hamburgers became popular in the late-1920s to mid-1930s, and there are several competing claims as to who created the first cheeseburger. Lionel Sternberger is reputed to have invented the cheeseburger in 1926 at the age of 16 when he was working as a fry cook at his father’s Pasadena, California sandwich shop,… Read More

Neuroscientists Find That Men And Women Respond Differently To Stress

Functional magnetic resonance imaging of men and women under stress showed neuroscientists how their brains differed in response to stressful situations. In men, increased blood flow to the left orbitofrontal cortex suggested activation of the “fight or flight” response. In women, stress activated the limbic system, which is associated with emotional responses. There are many… Read More

LE MUR DES JE T’AIME (I love You : The Wall)

What schoolboy has not carved in his desk with his penknife the name of his first love? What teenager has not confided to the stone wall of his neighborhood the secret of an “I love you”? What couple has not engraved its initials in a heart pierced by an arrow on the bark of a… Read More

A Western style of speech perception: hearing with your eyes

Which parts of a person’s face do you look at when you listen them speak? Lip movements affect the perception of voice information from the ears when listening to someone speak, but native Japanese speakers are mostly unaffected by that part of the face. Recent research from Japan has revealed a clear difference in the… Read More

60 years of teaching Math

10 basic problems that prevent education systems from regaining its former preeminence: 1. Parents are not involved enough. 2. Schools are closing left and right.  3. Schools are overcrowded. 4. Technology comes with its downsides. 5. There is a lack of diversity in gifted education. 6. School spending is stagnant, even in improving economies. 7.… Read More

Homens de verdade não dizem “que lindo”. Psicologistas usam linguagem do Tweeter para analisar estereótipos

O que há em um tweet? Do gênero à educação, as palavras usadas nas mídias sociais carregam impressões para os outros. Usando tweets publicamente disponíveis, psicólogos sociais e cientistas da computação do Centro de Psicologia Positiva da Universidade de Pensilvânia, Alemanha e Austrália estão nos ajudando a analisar os estereótipos formados por escolhas de palavras… Read More

Halloween in numbers

$6.9 billion: Total Halloween consumer spending in the United States expected for 2015. 64: Percent of Americans who plan to celebrate Halloween this year. 41.2 million: Potential trick-or-treaters ages 5-14. $74.34: The average amount Americans will spend on candy, costumes, and decorations. $2.1 billion: Projected spending on Halloween candy in the U.S. in 2015. Homemade costume ideas… Read More