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Willem Einthoven’s Nobel-winning discovery that laid the foundations of the modern ECG

Willem Einthoven’s development of the string galvanometer transformed the recording of cardiac electrical signals and laid the foundations of modern electrocardiography

Willem Einthoven’s Nobel-winning discovery that laid the foundations of the modern ECG

We haven't written up this one. The Hindu - Sci-Tech has the full story — the link below goes straight to it.

Also reported by 1 other outlet

Read the original at thehindu.com →

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Scientists Asked People to Fake Smiles. Something Unexpected Happened

Professor Nicholas Coles wanted to investigate the impact of being forced to smile because of his experience in customer service.

  • Forcing fake smiles can increase anger and decrease happiness
  • Study involved 1,200 participants shown happy/unhappy pictures
  • Forced smiles in customer service may create emotional control

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