An optical illusion shared on Facebook challenged users to count scattered dots. (Facebook/Minion Quotes) (Also read: Optical illusion: Only super-focused eyes can spot the hidden feather in this ...

Like the formation of constellations from stars, topological data analysis helps mathematicians build revealing shapes from scattered dots. Researchers begin by using the data points as nodes or ...

Below it are several black dots scattered randomly across the page. And at the bottom, a bold statement dares viewers: “Only for Geniuses.” The challenge is deceptively simple—count the ...