In 2020, medical student Joel Bervell came across a study that showed how pulse oximeters readings are disproportionately inaccurate when used on darker skin tones. That led him to create a TikTok ...
Viral videos began circulating in August on TikTok rumoring that Walmart plans to switch from flourescent bulbs to intense 10,000 Kelvin lights. The lights are sources of artificial light that emit a ...
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