Who was Typhoid Mary?
Mary Mallon lived in New York about 100 years ago, and worked as a cook. It seemed that every family she worked for suffered an outbreak of typhoid fever! The Dept. of Public Health found that she harbored the bacteria salmonella typhi, which causes typhoid…
Continue reading →
More science facts
Astronomy
Black Hole Sound Waves
Astronomers using NASA's Chandra X-ray Observatory have found, for the first time, sound waves from a…
Geology
Lightning Striking Again
What's hotter than the surface of the sun, moves with incredible speed, lasts a few seconds and goes out with…
Astronomy
The Sun, The Mighty Engine Of Our Solar System
Our Sun has inspired mythology in almost all cultures, including ancient Egyptians, Aztecs, Native Americans,…
Physics
The Weakest Force
Did you know that gravity is the weakest force in the universe? It's true! Physicists know of four fundamental…