Daily Digit is the story behind the numbers that make our world work. Today we’re looking at the world of online dating. The journal Science Advances conducted a study on the desirability of 200,000 users and found that men peak at 50, while women become less desirable after 18. The study also found that women were more interested in men with higher education while men were drawn to physical attractiveness. Researchers also discovered that women with postgraduate degrees were less desirable. But 20% of current relationships start online, so you never know!