I wonder why whales sing :: and other questions about sea life / I wonder why whales sing :and other questions about sea life I wonder why whales sing：and other questions about sea life I wonder why stars twinkle :: and other questions about space / I wonder why stars twinkle and other questions about space / I wonder why．stars twinkle :：and other questions about space / I wonder why stars twinkle and other questions about space I wonder why the wind blows and other questions about our planet I wonder why planes have wings :: and other Questions about Transport / I wonder why stars twinkle：and other questions about space