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Crabs wear plastic shells – level 3

30-01-2024 15:00

Scientists have observed a new behavior in terrestrial hermit...

Can Biden win again? – level 1

11-07-2024 07:00

The first 2024 debate between Trump and Biden is...

Can Biden win again? – level 2

11-07-2024 07:00

The first 2024 debate between Donald Trump and Joe...

Can Biden win again? – level 3

11-07-2024 07:00

The first 2024 presidential debate between Donald Trump and...

Saving the Panama Canal – level 1

10-07-2024 15:00

The Panama Canal connects two oceans, the Atlantic and...

Saving the Panama Canal – level 2

10-07-2024 15:00

In 1913, workers flooded Lake Gatun to make the...

Saving the Panama Canal – level 3

10-07-2024 15:00

Lake Gatun was flooded in 1913 to create the...

Cleaning Mount Everest – level 1

10-07-2024 07:00

Mount Everest is the highest mountain in the world....

Cleaning Mount Everest – level 2

10-07-2024 07:00

Since 1953, many climbers have left trash on Mount...

Cleaning Mount Everest – level 3

10-07-2024 07:00

Mount Everest’s highest camp is covered in garbage that...