Diébédo Francis Kéré knew exactly what he wanted to do when he got his degree in architecture... He wanted to go home to Gando in Burkina Faso, to help his neighbors reap the benefit of his education. In this charming talk, Kéré shows off some of the beautiful structures he's helped to build in his small village in the years since then, including an award-winning primary school made from clay by the entire community.

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The neutrino is among the cagiest of particles, a subatomic wisp so ephemeral it could pass through light years of lead with more ease than a hot knife through butter. Despite its extraordinary abundance in the universe—billions pass through your body every second—this ghostly particle is notoriously difficult to trap, inspiring some of the most sophisticated detectors in science just to study it. A closer look could change everything. The elusive neutrino holds clues to some of the most profound questions in particle physics: What happened in the briefest moments after the Big Bang? Why does the universe contain more matter than antimatter? Join leading researchers as they chase neutrinos and other elusive particles in search of nature’s fundamental order.

This program is part of the Big Ideas Series, made possible with support from the John Templeton Foundation.

The World Science Festival gathers great minds in science and the arts to produce live and digital content that allows a broad general audience to engage with scientific discoveries. Our mission is to cultivate a general public informed by science, inspired by its wonder, convinced of its value, and prepared to engage with its implications for the future.

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Original program Date: June 1, 2012
MODERATOR: Bill Weir
PARTICIPANTS: Janet Conrad, Francis Halzen, Lawrence Krauss, John Robinson

Tiny Ghosts - Musical introduction by John Robinson 00:00

Bill Weir's Introduction 3:48

Participant Introductions 5:00

Why are neutrinos important? 6:28

Why go to the antarctic to find neutrinos? 8:44

The ghost particle appears 11:50

Many didn't believe in the neutrino. 16:20

Neutrinos from an atom bomb. 19:45

Ray Davis and his gutsy experiments. 24:08

Key predictions of the standard model. 28:30

Understanding neutrino oscillations. 31:49

Neutrinos and the Grand Unified Theory. 39:24

The supernova that led to neutrinos. 44:02

How do you measure the information from neutrinos. 53:29

A telescope under the ice? 57:00

What is the holy grail on neutrinos. 1:02:00

You can't adjust nature just observe it. 1:07:32

The truth is stranger then star trek? 1:14:20

Can neutrinos move faster than light? 1:18:46

Professor Eric Laithwaite (1921-1997) of Imperial College London demonstrates some of the most difficult concepts in electricity &​ magnetism.

This is one of a series of 16mm colour films made for schools. They were all made in Eric Laithwaite's "Heavy Electrical Laboratory" in the Electrical Engineering Department at Imperial College London.

For more on Eric Laithwaite:
http://www2.imperial.ac.uk/blo....g/videoarchive/2009/

More African Americans are heading to college these days but a new study finds that too many are in low earning majors.

A study by Georgetown University's Center on Education and the Workforce notes that African Americans who got Bachelor's Degrees in STEM fields science, technology, engineering and mathematics can earn up to 50 percent more than those who majored in arts, psychology or social work.
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