COMPASSION

Affirmation of life is the spiritual act by which man ceases to live thoughtlessly and begins to devote himself to his life
with reverence in order to give it true value.
— Albert Schweitzer

8/25/2017

how hummingbirds hover






Aug 11
With special flight chambers and high-speed cams, scientists can see mechanics of how hummingbirds hover 📸 Spine Films



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