心理學家：子女開學獲家長鼓勵有助適應新環境 - Yahoo新聞



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Halloween on the International Space Station - NASA
Dark matter might live in a dense haze around stellar corpses - Space.com

Satellite Selfie Shows Damage Caused by Mystery Impact - Gizmodo
1st image of Milky Way's 'black hole heart' has errors, study claims - Livescience.com