HD Drone footage from the Final Experiment above Union Glacier, Antarctica at 1,500 meters (4,921 feet) [📹 Will Duffy]…
Why do we measure a complete rotation around the circle as being 360°? [🎞️ Beau Janzen / reason4math]…
Xianren Bridge (仙人桥 lit. 'Fairy Bridge') is a natural arch created by flowing water that has the world's longest recorded span. Carved of limestone karst, the
The invisible 5-fold symmetry traced by Earth and Venus as they orbit the Sun. [📹 Matthew Henderson]…
Forty-two years ago, Time magazine's "Man of the Year" was awarded to a non-human for the first time. A computer earned the title in
Twenty years ago, the third most powerful earthquake in recorded history triggered the Boxing Day Tsunami in the Indian Ocean, marking the deadliest natural disaster of the 21st century. The
The afternoon sun transforming Yosemite Falls into a rainbow waterfall captured by photographer Greg Harlow.…