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Author Question: A 10-kg block on a horizontal frictionless surface is attached to a light spring (force constant = ... (Read 5139 times) |
Vaccines prevent between 2.5 and 4 million deaths every year.
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.