These are photographs taken from space by satellites and joined together to make very detailed images ... different because the world is actually curved. This means map-makers need to make ...

WWF scientists have developed data and maps of the world's rivers that provide valuable information about where streams ... South America is the first continent for which data are completed. Other ...

Bush is truly global, with Americans actively engaged in countering terrorism in 80 nations on six continents. This map is the most ... more than 40 percent of the world’s countries.

African scientists say the world is missing vital medical insights by ignoring the continent’s vast genetic diversity. Less than 2 percent of human genome ...