A brief history of numerical systems - Alessandra King

A brief history of numerical systems – Alessandra King

One, two, three, four, five, six, seven, eight, nine, and zero. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten...

The science of milk - Jonathan J. O'Sullivan

The science of milk – Jonathan J. O’Sullivan

Why do humans drink so much milk? And given that all mammals lactate, why do we favor certain types of milk over others? Milk is the first thing we drink,...

Would winning the lottery make you happier? - Raj Raghunathan

Would winning the lottery make you happier? – Raj Raghunathan

Will winning the lottery make you happier? Imagine winning a multi-million dollar lottery tomorrow. If you’re like many of us, you’d be ecstatic, unable to believe your good luck. But...

What is bipolar disorder? - Helen M. Farrell

What is bipolar disorder? – Helen M. Farrell

What is bipolar disorder? The word bipolar means two extremes. For the many millions experiencing bipolar disorder around the world, life is split between two different realities – elation and...

How to practice effectively...for just about anything - Annie Bosler and Don Greene

How to practice effectively…for just about anything – Annie Bosler and Don Greene

Mastering any physical skill, be it performing a pirouette, playing an instrument, or throwing a baseball, takes practice. Practice is the repetition of an action with the goal of improvement,...

Where do superstitions come from? - Stuart Vyse

Where do superstitions come from? – Stuart Vyse

Are you afraid of black cats? Would you open an umbrella indoors? And how do you feel about the number thirteen? Whether or not you believe in them, you’re probably...

The history of chocolate - Deanna Pucciarelli

The history of chocolate – Deanna Pucciarelli

If you can’t imagine life without chocolate, you’re lucky you weren’t born before the 16th century. Until then, chocolate only existed in Mesoamerica in a form quite different from what...

What makes a poem … a poem? - Melissa Kovacs

What makes a poem … a poem? – Melissa Kovacs

Muhammad Ali spent years training to become the greatest boxer the world had ever seen, but only moments to create the shortest poem. Ali captivated Harvard’s graduating class in 1975...

How the food you eat affects your gut - Shilpa Ravella

How the food you eat affects your gut – Shilpa Ravella

Trillions of bacteria, viruses, and fungi live on or inside of us, and maintaining a good, balanced relationship with them is to our advantage. Together, they form the gut microbiome,...

Why do people get so anxious about math? - Orly Rubinsten

Why do people get so anxious about math? – Orly Rubinsten

When French mathematician Laurent Schwartz was in high school, he started to worry that he wasn’t smart enough to solve math problems. Maybe you know a similar feeling. You sit...

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