In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other...

These public speaking anxiety tips will help you overcome nervousness when giving a presenting.These time-tested tips will help take the edge off. This video looks at the both the mindsets and the practical steps to help...

¿Qué es eso? …¡Es el Sol! <br/<br/>>

Twig - Los procesos físicos - La luz - El Sol como fuente de luz

Here We Come A-wassailing is a traditional English Christmas carol dating from at least the mid 19th century, but possibly much older. The old English wassail song refers to 'wassailing', or singing carols door to door wishing good...