The hidden rules that determine which friendships matter to us

Evolutionary psychologist Robin Dunbar has found that our friendships are governed by secret rules, based on everything from your sex to your sleep schedule. Our unique social fingerprints help determine who we are drawn to, which friendships last and why some friends are ultimately replaceable Source: https://www.newscientist.com/article/mg24933240-700-the-hidden-rules-that-determine-which-friendships-matter-to-us/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

The Mars Perseverance Rover’s Parachute Contained a Secret Message

“The huge parachute used by NASA’s Perseverance rover to land on Mars contained a secret message,” reports the Associated Press — thanks to the rover’s puzzle-loving systems engineer Ian Clark. “During a live stream discussing the landing, one Nasa commentator said: ‘Sometimes we leave messages in our work for others to find. So we invite you all to give it a…

Did you find the message hidden in Perseverance’s parachute?

The striped pattern on the parachute used by the Perseverance rover to land on Mars contained a hidden message. Internet sleuths were able to figure it out within a few hours. Source: https://earthsky.org/space/perseverance-secret-message-dare-mighty-things…

Apple Mail and Hidden Tracking Images

John Gruber, writing at DaringFireball: In my piece yesterday about email tracking images (“spy pixels” or “spy trackers”), I complained about the fact that Apple — a company that rightfully prides itself for its numerous features protecting user privacy — offers no built-in defenses for email tracking. A slew of readers wrote to argue that Apple Mail does offer such a…