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Planet 9 hypothesis gets a boost | | A large, unknown Planet 9 in our solar system continues to elude astronomers. But a new review article in Physics Reports explains why some scientists still think they'll find it. Read more. | | |
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Bees change scent as they age | | A new study finds that honey bees develop different scent profiles as they age, and guard bees respond differently to returning foragers than to younger bees who've never ventured out. Watch video. | | |