Cuisine varies greatly around the world, but the basic ingredients that sustain humans are pretty similar. We eat a lot of corn, wheat, rice and other simple crops. Read on to find out which foods top the list of most important worldwide, listed by annual production and average yield in 2008.
Howler monkeys are widely considered to be the loudest land animal. According to Guinness Book of World Records, their vocalizations can be heard clearly for 3 mi (4.8 km). The function of howling is thought to relate to intergroup spacing and territory protection, as well as possibly to mate-guarding.
The 1883 eruption ejected more than six cubic miles (25 cubic kilometers) of rock, ash, and pumice [1], and made the loudest sound ever recorded by human beings. The sound was heard as far away as Perth in Australia (3,500 km; 2,200 miles), and the island of Rodrigues near Mauritius (4,800 km; 3,000 miles).