Is this the most beautiful building in the world? - Stephanie Honchell Smith

The incredible engineering of Venice - Stephanie H. Smith

Building the impossible: Golden Gate Bridge - Alex Gendler

One of the most epic engineering feats in history - Alex Gendler

Blood, concrete, and dynamite: Building the Hoover Dam - Alex Gendler

How to spot a pyramid scheme - Stacie Bosley

The rise and fall of history’s first empire - Soraya Field Fiorio

Exponential growth: How folding paper can get you to the Moon

How the Suez Canal changed the world - Lucia Carminati

My identity is a superpower -- not an obstacle | America Ferrera | TED

Tycho Brahe, the scandalous astronomer - Dan Wenkel

How Every Child Can Thrive by Five | Molly Wright | TED

How to make your writing suspenseful - Victoria Smith

The lie that invented racism | John Biewen

How School Makes Kids Less Intelligent | Eddy Zhong | TEDxYouth@BeaconStreet

Epigenetics and the influence of our genes | Courtney Griffins | TEDxOU

How social media makes us unsocial | Allison Graham | TEDxSMU

How bacteria "talk" - Bonnie Bassler