While you’re on the ground, you can only observe the classic semi-circular rainbow (hence the word ‘bow’). However, when you’re flying in an airplane and looking down below, you can actually see a rainbow as a complete circle! If the weather circ
Even though there are more stars in the universe than grains of sand on the Earth, its a fact that their are more trees on the Earth than stars in the Milky Way
Those teasing conversation hearts raining down my bare skin started as medicinal lozenges in 1847. Boston pharmacist Oliver Chase invented America's first candy-making machine to cut them efficiently, before his brother Daniel added messages in 1866, tu
Even dim light at night can suppress sleep hormones
Exposure to very low levels of light (~30 lux for 1 hour) can significantly suppress melatonin production, making it harder to sleep.