Galileo Observed the Universe with Powerful Telescope

Galileo Galilei examined the night sky with a high powered telescope with sufficient resolving power for astronomical observation in Padua, Italy in 1609. Continue reading

Ancient Greek Philosopher Proposed a Heliocentric Universe

Aristarchus of Samos, a Greek philosopher and mathematician proposed a heliocentric universe theory in 300 BCE, that the earth and planets make circular orbits around the sun. Continue reading

Sumerians Develop Astrological System

Sumerians and other Mesopotamians developed the astrological system as early as 2500 BCE. Continue reading

Sunspot Observations

According to the Chinese book The Ocean of Jade China was observing sunspots. Continue reading

Theophrastus of Eresus

Theophrastus (/ˌθiːəˈfræstəs/; Greek: Θεόφραστος Theόphrastos; c. 371 – c. 287 BC), a Greek native of Eresos in Lesbos, was the successor to Aristotle in the Peripatetic school. Continue reading

Treatise on Rocks and Minerals titled, De lapidibus (On Stones)

Theophrastus of Eresus, the Greek scientist and philosopher, known as the founder of botany, wrote a treatise on rocks and minerals, early in the third century BCE. Continue reading

First Botanist was an Ancient Greek

Theophrastus of Eresus, Greek scientist and head of Peripatetic School of Philosophy is thought to be the first botanist from 322 BCE. Continue reading

Adapted Clinical Thermometer Designed by Galileo

Santorio Santorio adapted the clinical thermometer based on Galileo Galilei’s design in 1612. Continue reading

Treatise on insects was De Animalibus insectis

Ulisse Aldrovandi, an italian naturalist and professor of natural history at the University of Bologna from 1561, published a treatise on insects called, De Animalibus insectis (Of insect Animals) in 1602.
Continue reading

The First Recorded Standard Unit of Length

The first recorded unit of length was approximately 2.7 feet (0.8 meters) used by megalithic tomb builders of Europe around 3500 BCE Continue reading