3 ms·

Well, but what about octopi and their cousins? They are among the most intelligent and the most dextrous creatures on Earth; it seems to me that they are just n

• midoridensha 3y ago
  That and living in water. It seems much, much more difficult to develop tools and technology in an aquatic environment than in air. Just think about how poorly almost any manufactured item performs, long-term, in water (corrosion, etc.). Of course, it's possible some aliens might develop underwater, like octopi, and develop technology. But I think it's far less likely than aliens that evolve on dry land.