The 1939 film *The Wizard of Oz* famously used Technicolor for the sequences in Oz, while the Kansas scenes were shot in black and white – a stylistic choice not present in L. Frank Baum's original book.
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Mindfulness practices can actually change the structure and function of your brain over time, increasing grey matter in areas associated with emotional regulation.
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Ice climbing tools, called ice axes, are often designed with different shaped heads for different types of ice, similar to how carpenters use different chisels for different woods.
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