Why are the trees so high?
Going for a walk to the forest or park you surely saw different trees. Some were tiny, some quite large ...
Does the woodpecker's head hurt?
Being in the woods or in the park, you've probably heard a very characteristic knock on wood more than once. Exactly that…
Can trees speak?
Have you ever tried to say nothing for a minute, an hour or a day? Think about it, if it's possible ...
Why are the trees green?
Exactly. Why? Could nature have painted them in some other color? What's so special is the color ...