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Ask the expert
Why Do We Cry Out Of Joy?
Crying is a response to sadness and pain, but also to joy, excitement, and relief. Why do positive emotions make us cry?
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Science History
The Man Who Unraveled Nerve Communication
Otto Loewi, the neuroscientist who dreamt up the key to understanding nerve signal transmission.
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Brainwash
Brainwash - What is Kale?
What is carbon fixation? Where is the sympathetic system found? A scientific trivia
