It is well known that allele frequencies differ between populations, but this does not necessarily lead to a graded distribution of frequencies that resembles an actual geographical map.

The map that NASA launched in 1972 could lead extraterrestrials to Earth. A new map, nearly 50 years later, provides even better directions.

Nefertari was the beloved wife of Rameses II, and her extravagant tomb proves it. Its restored paintings tell an interesting ...

Sister Patricia's engineering qualifications bring a unique perspective to the project, as she oversees the construction, resource management ...

Relief shown by shading and spot heights. Text, with colored map and illustrations, show Africa's wildlife and biological geography. Insets: Cape Verde -- Seychelles -- Mauritius -- [location map].

Author National Geographic Maps (Firm) Notes Relief shown by shading and spot heights. Depths shown by gradient tints and soundings. At head of title: National Geographic. Issued in slip case.

Israel-Iran War: The concerns have resurfaced that Iran might close Strait of Hormuz - a crucial waterway following the strikes on Iran's nuclear facilities by the US. The Strait of Hormuz is a ...