This is Dr. Kizzmekia Corbett. She is a scientist. She studies vaccines. A vaccine is a shot that helps people fight an illness.
Photo Credit: Timothy Nwachukwu/The New York Times
In the Know
Thanksgiving
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Ringing in the New Year
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In the Know
Maria Telkes – Scientist known as the Sun Queen
Maria Telkes was born in 1900. She was a scientist. … read more