|
|
|
Sunda Clouded Leopard in lower Kinabatangan River, eastern Sabah, Malaysia
The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
Pitting edema of the lower extremities