by Daniel Clark | Dec 30, 2020
Tsunamis are giant ocean waves caused by earthquakes or volcanic eruptions under the sea. As the waves travel inland (sometimes at the speed of a jet plane), they get higher and higher as the depth of the ocean decreases. Though rare, tsunamis can be extremely deadly....
by Daniel Clark | Dec 30, 2020
In use since about 1755, the word habitat derives from the Latin habitāre, to inhabit, from habēre, to have or to hold. Human habitats are places where people live and where they can find all things that they need to survive. World Habitat Day is to reflect on the...
by Daniel Clark | Dec 30, 2020
Between 1950 and 2010, life expectancy rose, on average, from 46 to 68 years. In 2019, there were 703 million persons aged 65 or over in 2019 with Eastern and South-Eastern Asia showing the largest number of older persons (261 million), followed by Europe and Northern...
