What is a continent? We think of it as a large body of land surrounded by the sea, aka, ocean. There are a few continent sized countries. Australia is the only continent that is also one country.

Henley Passport Index reveals Singapore's passport is the most powerful, providing access to 193 countries. India ranks 80th.

It's a big, germy world out there. If you want to travel with peace of mind, learn the basics of vaccines, illnesses, and ...