Happiness, the flu, and you | Which personality are you, cat? | The dinosaur-devouring frog | The bizarre aero-cure of the 1920s
This week I learned good moods can boost the effective rate of the flu vaccine, the benefits of identifying your cat's personality, about an extinct frog with a jaw strength to rival a lion's, and that some doctors in the 1920s prescribed death-defying airplane rides as cures for illness.
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