London-based wood carving conservator Ben Bacon has, with academic colleagues, shaken up Ice Age paleontology.
Apart from their being adorable, what many may not realize is that their motion on the sand is also amazingly efficient.
If you look closely at beach sand, you may find some grains that stand out. They are shaped like spirals, stars, or striated cones.
There are hundreds of these structures. They extend over much of the Middle East: Syria, Jordan, Saudi Arabia, and Yemen.
Kenneth Singer at Case Western Reserve trained an AI neural network on a million photos, and then on the brush strokes of four renditions of a flower.