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  2. English Wikipedia - Wikipedia

    en.wikipedia.org/wiki/English_Wikipedia

    English Wikipedia (marked blue in the graph) is the most-read version of Wikipedia, accounting for 48% of the website's global traffic as of 2021. The English Wikipedia is the most edited Wikipedia's language version of all time. The English Wikipedia reached 4,000,000 registered user accounts on 1 April 2007, [23] over a year since the ...

  3. Speed of sound - Wikipedia

    en.wikipedia.org/wiki/Speed_of_sound

    The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound in air is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn ), or one km in 2.91 s or one mile in 4.69 s. It depends strongly on temperature as well as the medium through which a ...

  4. Cholesterol Levels: By age, LDL, HDL, and More - Healthline

    www.healthline.com/health/high-cholesterol/...

    Recommended total cholesterol levels are under 200 milligrams per deciliter (mg/dL) for adults and under 170 mg/dL for children. Females typically need more HDL (good) cholesterol than males ...

  5. No Time to Die - Wikipedia

    en.wikipedia.org/wiki/No_Time_to_Die

    No Time to Die is a 2021 spy film and the twenty-fifth in the James Bond series produced by Eon Productions, starring Daniel Craig in his fifth and final portrayal of fictional British MI6 agent James Bond. The plot follows Bond, who has left active service with MI6, and is recruited by the CIA to find a kidnapped scientist, which leads to a ...

  6. But the reality is that a "normal" body temperature can fall within a wide range, from 97 F to 99 F. It’s usually lower in the morning and goes up during the day. It peaks in the late afternoon ...

  7. 0 - Wikipedia

    en.wikipedia.org/wiki/0

    0 ( zero) is a number representing an empty quantity. Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures.

  8. Fever in Adults: Characteristics, Types, and When It's Serious

    www.healthline.com/health/cold-flu/fever-in-adults

    Common causes of a fever in adults are: viral infection (like the flu or a cold) bacterial infection. fungal infection. food poisoning. heat exhaustion. serious sunburn. inflammation (from ...

  9. Knee Pain Location Chart: What Knee Pain May Indicate

    www.healthline.com/health/knee-pain-location-chart

    Pain above the knee. Pain above your knee can be caused by: Quadricep or hamstring tendinitis: Tendinitis happens when the tendons that attach muscles to your bones ( quadriceps and hamstrings ...