(Photo: Spirit of America, Shutterstock). The Fourth of July celebrates the day in 1776 when colonial American representatives ratified the Declaration of Independence, making official their intention to break away from England and organize a sovereign government.
The Most Deadly Animals: Mosquitoes. The most deadly Â­animal in the world is the mosquito. It might seem impossible that something so miniscule can kill so many people, but it's true. Mosquito bites result in the deaths of more than 1 million people every year [source: WHO ].
Gambusia fish swimming among mosquito larvae. Mosquitoes have a variety of natural predators, from bats to fish to dragonflies. Scientists have studied what eats them in the wild, in hopes of finding enemies that can be introduced to get rid of mosquito problems near where people live. Some predators eat enough to noticeably reduce the population, while others get rid of so few that one can barely tell any difference.