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Research roundup: 6 cool science stories we almost missed
精选六条冷门科学故事，一网打尽科研趣闻，快速跟上科学前沿。
Also: Cyborg diving suits for cockroaches, why sleepy sperm whales blow bubbles, Betelgeuse's companion star.
精选六条冷门科学故事，一网打尽科研趣闻，快速跟上科学前沿。
Also: Cyborg diving suits for cockroaches, why sleepy sperm whales blow bubbles, Betelgeuse's companion star.