When helium balloons are let go into the air, they will eventually drift back down, often coming to rest in one habitat or another.

Progressive development of the human brain, a marvel of evolution, underpins our intelligence. Over millions of years, driven by many factors, the capabilities of the human brain have expanded ...

The Pearl Harbour attack united American citizens like never before. Young men volunteered to fight, factories increased production, and the entire nation mobilised for war. Some may recall the ...