We all know how common elements like oxygen and helium are used in every day life. But gallium? Selenium? Rhodium? Keith Enevoldsen has created an interactive periodic table that illustrates exactly where you may encounter even obscure elements on the chart. It’s like taking high school science all over again, except without the tests, and you’re welcome to keep using your phone.



There are 3 ways of getting knowledge and practical skills on Freedom and Safety:

1) Subscription to materials
2) e-Learning
3) Buying e-books

Read more


Is New Technology Hurting Our Productivity?
Freedom and Safety (1 hour ago)
5 Things Everyone Needs to Know about Happiness
Freedom and Safety (Yesterday)
Healthcare Costs are Pushing Millions into Extreme Poverty. This Outrage Must End
Freedom and Safety (Yesterday)