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An ice age is a period in which the earth's climate is colder than normal, with ice sheets capping the poles and glaciers dominating higher altitudes. Within an ice age, there are varying pulses of colder and warmer climatic conditions...

St. Anthony's Fire (SAF) is an illness brought on by the ingestion of fungus-contaminated rye grain causing ergot poisoning (ergotism). The disease's common name derives from the medieval Benedictine monks dedicated to that...

Homo habilis ("handy man") is an extinct species of human that lived in East and South Africa between 2.3 and 1.5 million years ago and plays an interesting role in the discussion surrounding the dawn of our genus of Homo, which...

Cassius Dio (c. 164 - c. 229/235 CE) was a Roman politician and historian. Although he held a number of political offices with distinction, he is best known for his 80-volume Roman History. The work took 22 years to complete, was...

Stretching between China and India in the east to the Mediterranean in the west, Parthia ruled over one of the widest expanses of empire in its time and Parthian culture flourished for 500 years (247 BCE to 224 CE). While known...

Fatimah (born between 605 and 615 CE, died sometime in 632 CE; date of death is disputed) was the youngest daughter of the Islamic Prophet Muhammad (l. 570-632 CE) and his first wife Khadija (l. 555-619 CE). Taking up after...

Fenrir is the great wolf in Norse Mythology who breaks free from his chains at Ragnarök, the twilight of the gods, kills Odin, and is then killed by Odin’s son Vidarr. Fenrir is the son of the trickster god Loki and brother of the World...

Piero della Francesca (c. 1420-1492 CE) was an Italian Renaissance artist whose paintings and frescoes are characterised by their solid figures, bright colours, and harmonious composition. His masterpieces include the painted...

Jan van Eyck (c. 1390-1441 CE) was a Netherlandish Renaissance painter who was famous in his own lifetime for his mastery of oil painting, colouring, naturalistic scenes, and eye for detail. Amongst his masterpieces are the 1432...

Nicolaus Copernicus (1473-1543 CE) was a Polish astronomer who famously proposed that the Earth and other planets revolved around the Sun in a heliocentric system and not, as then widely thought, in a geocentric system where...