Latest References
What is the Pacific Ring of Fire?
The Pacific Ring of Fire is a horseshoe-shaped belt of volcanoes known for explosive eruptions and intense earthquakes.
Who were the Huns, the nomadic horse warriors who invaded ancient Europe?
The Huns were nomadic horse warriors, originally from Asia, who invaded Europe in the late fourth century A.D. and carved out an empire that stretched from Asia to Europe.
These are the three shoes we will be wearing for marathon training
It's the start of your marathon training, and here is everything you need, from the best running shoes to a home treadmill
Tiwanaku: A little-known pre-Incan civilization that built temples and cities high in the Andes
This ancient city in modern-day Bolivia is almost 13,000 feet above sea level. Only a small portion of the ruins have been excavated.
Echidnas: Facts about spiky Australian mammals that lay eggs
Discover interesting facts about echidnas, the strange platypus relative with spines, spurs and a pouch.
Best workout equipment for home gyms 2025: Exercise in the comfort of your home
Buying Guide Set up your home gym with the best workout equipment for home.
The human heart: Facts about the body's hardest-working muscle
Discover interesting facts about the fist-size organ that powers the circulatory system.
The San Andreas Fault: Facts about the crack in California's crust that could unleash the 'Big One'
California's San Andreas Fault is capable of triggering a massive earthquake. Here's what to know about this famous location often associated with earthquakes.
