Biology
Can birds sleep while flying?
Yes, but some of them not
Petrichor is...
It means "the smell of damp earth after the rain."
What is the national stone of Finland?
Granite
How many chemical elements are found in the human body?
The human body contains about 30 chemical elements.
What is the strongest muscle in the body?
Tongue
Snollygoster is...
It means unprincipled politician.
How many types of mushrooms are there in Estonia?
About 3500 types
Dry ice is...
...the solid form of carbon dioxide.
How long can a person live without sleep?
7-11 days
Boffola is...
This is a joke that causes very loud, Homeric laughter.
How long is the longest river in Estonia?
162 km
who discovered carbon dioxide?
Scottish chemist and physicist Joseph Black discovered carbon dioxide in 1754.
How many colors and shades can the eyes see?
Human eyes can distinguish up to 10 million colors and shades.
How many letters does the longest word have?
189,819 letters. This is the chemical name of the titin protein.
What is the largest animal in Estonia?
Elk
Why do we cry when we peel onions?
It contains sulfur, which makes a person cry.