We are losing our top large predators as their numbers are constantly falling bringing many species to the very edge of extinction, which has been causing harmful reactions across the landscapes and food chains.
China has the largest population in the world, although the surface was only slightly smaller than the United States. Go through the daily Knowledge Check and build up your Dreevoo score.
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?
Sumo is a traditional Japanese sport where wrestler attempts to force another wrestler out of a circular ring. Take this quiz and find out how much you really know about this over 1000 years old sport.
