A San Luis Obispo resident rode the equivalent of the circumference of the Earth on his bike. Tony Murphy took 11 years to ride 24,901 miles on his bike, which is the same as one time around the Earth ...

Dedicated cyclists set different goals to strive for, from cycling 40 miles in a day to cycling 5,000km or around 3106 miles in a year. I love cycling because it’s fun working your legs, hips, and ...

Born around 276 B.C. in Cyrene, Libya, Eratosthenes soon became one of the most famous mathematicians of his time. He is best known for making the first recorded measurement of the Earth’s ...

CC0 Usage Conditions ApplyClick for more information. About two thousand years ago, a Greek scholar named Eratosthenes used some sticks, shadows and math to calculate the circumference of the Earth.

ANTELOPE ISLAND — Trading the streets of Ogden for the wide-open spaces of Antelope Island has come easy for bike riding enthusiast Dave Hadley. After doing some recreational riding in the city for ...

Science teachers in a summer physics class at Southeast Missouri State University relied on shadows Thursday to calculate the Earth's circumference during the summer solstice, the longest day of the ...

ANCHORAGE, Alaska — A man in Alaska and his little Shih Tzu have logged a lot of miles on their daily walks — enough to circle the world. Over the past eight ...

Sept. 14 (UPI) --An 88-year-old Massachusetts man has walked 24,900 miles, and plans to finish the final mile Oct. 3 to total the circumference of the Earth. Brad Hathaway, 88, of Mattapoisett, said ...

A 70-year-old man from Limerick is seeking the Guinness World Record for walking the equivalent of the Earth’s circumference in under 1500 days. Vinod Bajaj, from Castletroy, has walked 40,107km ...

PARMA, Ohio — Parma resident Paul Kirner crossed the finish line of his 18.5-year-old goal of running 24,901.55 miles. He said it started as a New Year's resolution in 1995, and he completed the goal ...

Today is π Day! And one of the many interesting people involved in the many uses of this constant was Eratosthenes, the ancient Greek geographer who calculated the circumference of Earth. Eratosthenes ...