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
Jane Addams Day
December 10 is Jane Addams Day. Why was Jane Addams … read more
In the Know
Ruby Bridges Goes to School
In the past, some laws kept Black children from going … read more
In the Know
Where Is Water on Earth?
Earth is covered with water. Most of the water is … read more