Imagine you're a researcher studying how sleep affects mood. To explore the connection, you would look at two key "variables": sleep (how much someone gets) and mood (how happy or irritable they feel) ...

Miffed at the snub to Pakistani cricketers in the Indian Premier League auction on Tuesday, country's Foreign Office has accused that the incident was influenced by "variables extraneous to sports".

Miffed at the snub to Pakistani cricketers in the IPL auction, country's Foreign Office has accused that the incident was influenced by variables extraneous to sports. ISLAMABAD: Miffed at the snub to ...