For Hermit crabs, suitable shells are hard to come by. So they have come up with an ingenious scheme. When a crab happens upon a shell, it scopes it out – and when it is too big, the crab sits …
Back in 1999, Sony released a robot dog called Aibo. Now, 15 years later, these toys have started to break down, and Sony has ceased repairing them or manufacturing new models. This has caused the few people who still use …
