Tuesday, April 27, 2021

Track Your Blood Oxygen With These Affordable Smartwatches

These are the highest rated smartwatches under Rs. 5,000 that can track your SpO2 blood oxygen levels. Although these smartwatches are not meant as medical devices, they can help you be alert to potential risks, and to know when to meet a doctor.

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What Happened to the Apollo Flags Left on the Moon?

The flags planted by Apollo astronauts on the moon are likely in poor condition due to harsh lunar conditions. Exposure to intense sunlight ...