Fish are vertebrates, which are adapted to life in the aquatic environment. Fish are the most numerous group of vertebrates. The number of different species of fish is almost as much as all other vertebrates together.
Our beautiful, one and only home called Earth is called the Blue Planet for a reason. Vast oceans make it exceptional when observed from space. Find out how familiar you are with some of the world's oceans facts.
Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
Put your space and general knowledge to a test by answering some questions covering the achievements of mankind in our galaxy and beyond. A simple and intuitive way to build up your knowledge profile.
Insects are among the most diverse groups of animals on the planet, including more than a million described species and representing more than half of all known living organisms.
CERN is an international organization whose purpose is to operate the world's largest particle physics laboratory. Go through the short quiz and build up your Dreevoo knowledge score.
Chemistry is the science that studies the composition, structure and properties of matter and the changes that occur during chemical reactions. Answer a few questions to see how good you really are in Chemistry?
Our body is the only thing we can say that it truly does belong to us, but that doesn't necesserily mean we are familiar with the way our organs and other tissues function. Find out if you know your body.
Manyof uscan't imagine lifewithout a mobile phone.We can saythatmobile telephonyis developingwith the speed of light.But how muchdo you really knowabout the history ofthe development ofmobile phones?
A Black hole is a place in space where gravity pulls so much that even light can not get out. They are one of the greatest mysteries in space. Take this quiz adn find out how much do you really know about Black holes!
Super hero is a person or an animal that has some kind of super power. Everyone of us had at least one super hero in childhood. Let see how familiar are you with this super natural born movie characters.
The word 'animal' comes from the Latin word animalis, meaning 'having breath'. Answer a few questions from the wonderful world of animals and build up your Dreevoo knowledge score.
