Wadi Al-Khurr

Directory

References

Discover

Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere

Why Do Some Cicadas Appear Only Every 17 Years?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

Aspirin pills.

7 Drugs that Changed the World

Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.

6 Animals We Ate Into Extinction

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news

Who Invented the Internet?

Shadow of a man holding large knife in his hand inside of some dark, spooky buiding

7 of History's Most Notorious Serial Killers

Wadi Al-Khurr

river, Saudi Arabia

Learn about this topic in these articles:

physiography of Arabia

In Arabia: Northern Arabia
…these are Wadi ʿArʿar and Wadi Al-Khurr.
Read More