Thousands of scrapped taxis are pictured at a yard in the center of China's Chongqing city on March 4. Traffic congestion and pollution have worsened dramatically in Chinese cities as the country's long-running economic expansion has allowed increasing numbers of consumers to make big-ticket purchases such as cars. China may surpass the US this year to become the largest car market in the world. AFP/Newscom
A paleo-geologist sifts sand and coral deposits for clues to tsunami patterns in Aceh, the epicenter of the Dec 26, 2004 earthquake. Indonesians are marking the 10-year anniversary of the country's deadliest natural disaster.
Investors in stock markets are cautioned that past performance is not a guide to future events. For scientists who study earthquakes and tsunamis, the opposite is true: Where the earth’s crusts are colliding, the only certainty is that the ground will shake again one day.