Tag «tedx»

The complex geometry of Islamic design – Eric Broug

The complex geometry of Islamic design – Eric Broug

In Islamic culture, geometry is everywhere. You can find it in mosques, madrasas, palaces and private homes. This tradition began in the 8th century CE during the early history of Islam, when craftsmen took preexisting motifs from Roman and Persian cultures and developed them into new forms of visual expression. This period of history was …

Why sex really matters | David Page | TEDxBeaconStreet

Why sex really matters | David Page | TEDxBeaconStreet

Translator: Jenny Lam-Chowdhury Reviewer: Capa Girl I would like to talk with you about sex and disease, but perhaps not what you’re thinking. So, now that I’ve gotten your attention, I’d like to tell you about something that’s really fundamental. I’d like to tell you about a connection between sex and disease that is very …

Where did Russia come from? – Alex Gendler

Where did Russia come from? – Alex Gendler

Where did Russia come from, why is it so big, and what are the differences between it and its neighbors? The answers lie in an epic story of seafaring warriors, nomadic invaders, and the rise and fall of a medieval state known as Kievan Rus. In the first millennium, a large group of tribes spread …

The 2,400-year search for the atom – Theresa Doud

The 2,400-year search for the atom – Theresa Doud

What do an ancient Greek philosopher and a 19th century Quaker have in common with Nobel Prize-winning scientists? Although they are separated over 2,400 years of history, each of them contributed to answering the eternal question: what is stuff made of? It was around 440 BCE that Democritus first proposed that everything in the world …