The Bar-Tailed Navigational System

THE bar-tailed godwit makes one of the most amazing migrations known to man. The bird’s 7,000-mile (11,000 km) journey can take more than eight days.

Researchers speculate that some types of birds use the earth’s magnetic field for navigation, as if they had a compass built into their brain. It is possible

that the godwit additionally navigates by means of the sun by day and the stars by night. It seems that the godwit can also sense upcoming storm systems that could allow it to benefit from tailwinds. Still, the details of just how these birds make their incredible journey baffle experts.

Oil—How It Affects You

HAVE you ever stopped to think what life for many would be like without petroleum and its products? Oil made from petroleum is used to lubricate motor vehicles, bicycles, strollers, and other things with moving parts. Oil lessens friction, thus slowing the breakdown of machine components. But that is not all.

Beyonce’s Good Genes

Beyonce’ s good looks are definitely good genes. Here’s a 20-year-old baby faced Bey at the Golden Globes in 2001 (left) and 15 years later ... the flawless singer -- who turns 35 this weekend -- at the MTV VMAs last week (right) .

An Overview of Indonesia

Land Straddling the equator between Australia and continental Asia, Indonesia is the world’s largest archipelago. Most of its more than 17,500 islands feature rugged mountains and dense tropical forests. With more than 100 active volcanoes, it is also the most active volcanic region on earth.

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