Al Gore On 2016 Campaign: ‘Sometimes I Do A Double Take’ | TODAY

It’s been 10 years since the debut of “An Inconvenient Truth,” the documentary about Al Gore’s global warming education campaign. Now the former vice president sits down with NBC’s Anne Thompson to talk about what progress has been made in the fight against climate change – and what might happen to it if Donald J. … Read more

Rescued Cobra Drinks Water From Bottle

Subscribe here: http://bit.ly/1m6su5O A thrilling video has emerged showing a king cobra drinking water from a bottle. The video – shot in Southern India – shows a daring wildlife rescue worker offering water to the snake. The 12 feet long cobra was rescued from a village in Kaiga township – where it has strayed, apparently … Read more

Population Ecology

Logistic Growth Video – https://youtu.be/rXlyYFXyfIM 012 – Population Ecology In this video Paul Andersen explains how population ecology studies the density, distribution, size, sex ration, and age structure of populations. Intrinsic growth rate and exponential growth calculations are included along with a discussion of logistic growth. K-selected and r-selected species are explained along with survivorship … Read more

Tutorial: Solar Cell Operation

MIT 2.627 Fundamentals of Photovoltaics, Fall 2011 View the complete course: http://ocw.mit.edu/2-627F11 Instructor: Joe Sullivan This video summarizes how a solar cell turns light-generated mobile charges into electricity, highlighting the cell’s physical structure with layers with different dopants, and the roles of electric fields and diffusion of holes and electrons. License: Creative Commons BY-NC-SA More … Read more