Morning Overview on MSN
A blue whale’s heart is roughly the size of a small car
A blue whale’s heart weighs approximately 400 pounds and pumps roughly 60 gallons of blood with every single beat. That organ ...
Morning Overview on MSN
A jet cruising at 35,000 feet flies through air only about a quarter as dense as at sea level
Every commercial flight carrying passengers at 35,000 feet operates in air roughly one-quarter as dense as the atmosphere at ...
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