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Orange Snow – level 3

12-02-2021 15:00

This is what the Swiss Alps looked like on...

Waterproof Clothes and Windows – level 3

28-12-2020 07:00

In Britain, it rains a lot and there is...

Waterproof Clothes and Windows – level 2

28-12-2020 07:00

The British public knows well that it is upsetting...

Pictures of the Earth – level 3

17-07-2020 15:00

NASA launched a new website featuring images of the...

Holes in Swiss Cheese – level 2

23-06-2020 15:00

After old stories about hungry mice, many random guesses,...

Holes in Swiss Cheese – level 3

23-06-2020 15:00

A Swiss agricultural institute made a revelation of why...

Video of Southern Lights – level 1

03-03-2020 15:00

There are Southern Lights in New Zealand. A camera...

Video of Southern Lights – level 3

03-03-2020 15:00

Time-lapse footage shows the Southern Lights, the southern hemisphere’s...

Video of Southern Lights – level 2

03-03-2020 15:00

Just like the northern hemisphere’s Northern Lights, the southern...

Air Health in USA – level 2

05-08-2019 07:00

From 1999 until 2015, scientists studied concentrations of fine...