A scientist at the University of California, Riverside is designing an emoji-based measurement system to aid communication between patients and doctors, arguing they could be particularly useful for patients who cannot speak.

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Good2Know: How Hotter Temperatures Are Impacting Sleep 
A new study shows that climate change is making it harder to fall asleep. The study, published in Cell Press over the weekend, shows that millions of people are already sleeping less because of higher overnight temperatures.
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