As part of Argentina’s Dirty War, hundreds of children were taken from their parents and adopted into military families. The Grandmothers of the Plaza de Mayo are trying to get them back.
The most common time signatures in music are 4/4, 3/4, and 2/4. Dave Brubeck and Paul Desmond famously recorded Take Five in 5/4 time, but another jazz icon named Don Ellis took time signature experiments to a new level.
What’s the largest number? If you said the googolplex, you’re off… by a lot. A lot.
A strange honeycomb pattern appears on sea ridges around the world. We think that it is created by living creatures, but no-one has ever seen one. Oh, and there are fossils of the patterns going back 500 million years.
The glacier Okjökull in Iceland died in 2014.