Bloomberg
Big Oil Agencies Say Glut Averted
Jan.24 -- OPEC and the IEA, along with the Energy Information Administration, all say that the cartel and its allies will prevent another world glut, assuming they can abide by the December pact to restrict production. Bloomberg's...
Curated Video
President Hollande meets heads of World Bank, IMF and WTO
The head of the International Monetary Fund said on Friday market turmoil this week may have been an "over-reaction," as leading economic figures met in Paris to discuss the global economy and worries about another recession in...
Bloomberg
Covid Hospitalizations Are in a Better Place: Johns Hopkins
Feb.16 -- Dr. Amesh Adalja, Johns Hopkins Center for Health Security senior scholar, discusses the decrease in hospitalizations in the United States, tracking of new Covid-19 variants, and the ability to update vaccines to handle new...
Curated Video
How Are Genetic Tests Changing Families?
Algorithms identify those who share many genetic markers, making them very likely to be close relatives.
Bloomberg
Pfizer CEO on Vaccine Developments
Pfizer's CEO Albert Bourla says he sees an MRNA flu shot coming this year. Bourla spoke to Bloomberg from the World Economic Forum in Davos.
Khan Academy
Introduction to Evolution and Natural Selection
The evidence for natural selection is presented as a random variation of a characteristic allowing a particular strain of organism to survive with a higher probability of successful reproduction. Population change over a short period is...
Sophia Learning
Sophia: Direct Variation
Explore what a direct variation is and assess learning with a quiz.
Sophia Learning
Sophia: Direct Variation and Proportional Linear Relationships
Explore the relationship between direct variation and proportional linear relationships then assess learning with a quiz.
Khan Academy
Khan Academy: Algebra I Worked Examples: Direct Variation 1
Students watch a detailed example about direct variation. A video tutorial examines the algebra concept. [3:39]
Khan Academy
Khan Academy: Algebra: Direct Inverse and Joint Variation
Video determining whether a table of values shows direct, inverse, or joint variation and setting up an equation to represent the data. Gives an overview of each type of variation before solving problem. [5:30]
Sector Matemática
Sector Matematica: Proporcionalidad Compuesta 04
This tutorial explains step by step how to solve a given problem which involve both direct and inverse variation. [3:09]
Sector Matemática
Sector Matematica: Proporcionalidad Compuesta 01
This tutorial shows how to solve a problem involving both direct and inverse variation. [7:33]
Sector Matemática
Sector Matematica: Proporcionalidad Compuesta 02
This tutorial explains step by step how to solve a problem involving both direct and inverse variation. [5:01]
Sector Matemática
Sector Matematica: Proporcionalidad Compuesta 03
This tutorial explains step by step how to solve a problem involving both direct and inverse variation. [5:29]