How We Came To Know Earth

How We Came To Know Earth

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The Shape That Can’t Pass Through Itself

Imagine you’re holding two equal-size dice. Is it possible to bore a tunnel through one die that’s big enough for the other to slide through? It is — but what about other shapes? In a paper posted online in August, two researchers describe a shape with 90 vertices and 152 faces t ...  Show more

Audio Edition: How Much Energy Does It Take To Think?

Studies of neural metabolism reveal our brain’s effort to keep us alive and the evolutionary constraints that sculpted our most complex organ.The story How Much Energy Does It Take To Think? first appeared on Quanta Magazine. 

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How zero gave us mathematical and philosophical power | Talithia Williams
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The abstract numeral that changed everything, according to mathematician Talithia Williams. Before the introduction of zero, mathematics was a tangible subject, where numbers held weight and substance. With zero came the concept of a mathematical “nothing;” it turned our solid un ...  Show more

The Human Advantage: A New Understanding of How Our Brain Became Remarkable
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Humans are awesome. Our brains are gigantic, seven times larger than they should be for the size of our bodies. The human brain uses 25% of all the energy the body requires each day. And it became enormous in a very short amount of time in evolution, allowing us to leave our cous ...  Show more

A Mathematician Asks ‘Is Math Real?’
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When math is based on abstract concepts, how do we know it’s correct? Dr. Eugenia Cheng takes on that question in a new book.

 

The concept of math has been around for a long time, developing independently in many different cultures. In 1650 BC, the Egyptians were ...

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Rediffusion - Pourquoi dit-on que le Moyen âge a eu peur du zéro ?
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L'idée que le Moyen Âge ait eu "peur du zéro" est un raccourci souvent utilisé pour décrire l'appréhension et les controverses entourant l'introduction du chiffre zéro en Europe médiévale. Mais cette "peur" est-elle réelle, ou bien s'agit-il d'une simplification historique ? E ...

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