The Space Shuttle Columbia Disaster (2003)
Description of the Events The space shuttle Columbia disaster is among the two serious crashes to have ever happened in the space shuttle missions. The shuttle broke apart on February…
Agriculture can be Practiced Safely without Depleting the Planet’s Productivity
Introduction Agricultural practice without adherence to the scientific principles and environmental influence leads to land erosion and pollution, as well as the exhaustion of freshwater resources. Recently, sustainability in agriculture…
Astronomy: Annie Jump Cannon and Henrietta Swan Leavitt
Annie Jump Cannon Annie Jump Cannon was a famous astronomer born in December 1863. She graduated with a degree in physics and astronomy from Wesley College in 1884 (Bowler 14)….