The die is cast! On January 10 in 49 B.C., Julius Caesar crossed the Rubicon River.
US road grid corrections because of the Earth’s curvature.
This $800 belt (presumably for the elderly) has airbags to protect your hips.
Video: X-Ray Camera Reveals How Hamsters Fit So Much in Their Cheeks.
Albert Einstein and the high school geometry problem.
Innovation, regulation, and illegal shipping containers: How an Illegal Shipping Container Reshaped the World Economy.
ICYMI, Monday’s links are here, and include Elvis Presley’s birthday, the woman who slept with both Napoleon and Wellington, the business of making the fake money used in movies and TV shows, and advice from 1595 on how to slim down in fourteen days.