In December of 2019, the internet was alerted to mysterious footage published on Russian social networks. A lone and imposing polar bear makes its way through the snow, searching for food or prey in ...

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Try these discussions to improve your speaking and listening. There are 20 questions in each activity - 10 for Student A and 10 for Student B. You can print out the worksheet. You can listen to the ...

This is the official repository of Polar's software development kit. With this SDK you are able to develop your own Android and iOS applications for sensors and watches made by Polar.

Try these speed reading exercises to improve reading. You can also learn something about the news. There are reading texts at different levels. You can choose the reading speed of each text. If one ...