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Math puzzle: The homesick rover
Solve the math puzzle from our February 2026 issue, where we plan a return passage for a robotic explorer that doesn’t want to explore.
- Animals
Animal personalities can play a big role in saving species
From bold foxes to gregarious birds, animals’ personalities are increasingly being seen as crucial to conservation efforts.
- Health & Medicine
Color blindness hides a key warning sign of bladder cancer
A large U.S. health records study suggests that difficulty seeing blood in urine may put color-blind patients at higher risk.
- Animals
How cheetah mummies could help bring the species back to Arabia
Arabian cheetah mummies' DNA reveals that the long-lost population could be closely replaced by a cheetah population in northwestern Africa.
