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Want to learn Japanese but overwhelmed by scattered materials and endless memorization?HeyJapan offers a complete, fun,...

In the Periodic Table application you will find a huge amount of data about chemical elements...

Learn to play your favorite songs on the piano by playing back the melody • Over...

Learn philosophy each day having a virtual lecture. Learn about: – Plato– Aristotle– Socrates– Nietzsche– Hume–...