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World record holding free diver, Tanya Streeter, talks about plastic pollution in our oceans

Sir David Attenborough talks about plastic and tells us the hard truths about it's use and the cost to the environment.

Performed at "The Secret Policemans Other Ball" (1982) by John Cleese, Graham Chapman and Tim Brooke-Taylor

A practical demonstration of roping up for glacier travel taken from the Mountaineering Council of Scotland's Alpine Essentials DVD.

Full DVD ava...

I grew up in the NASA family as my dad worked well over 2 decades on the Shuttle's Main Engine program (SSME) for Rockwell/Rocketdyne.

I was going...

This is a Supplemental Instruction Video for my Pre Algebra Class