Are there any snakes in Africa that are more dangerous than black mambas and cobras to humans?
In terms of aggression, the Black Mamba with its cousin, the Green Mamba are the top contenders for the most dangerous snakes. Black and Green Mambas They both…
The drinking duck is a common science toy in American physics classrooms and elsewhere
When you wet its head, it slowly lowers until it suddenly becomes almost horizontal, then straightens up after a jolt or two. If you put a glass of…