Autor: D.M Souza

Why does a volcano erupt? How many different kinds of volcanoes are there? Once believed to be the work of a fire god named Vulcan, volcanoes have long fascinated people. Looking at three different t …

In the ocean, a box jellyfish dangles tentacles covered with venom-filled stingers. The jellyfish uses its stingers to kill its prey. But its venom can also kill humans within minutes. The brightly c …