A 2016 study suggested that eating ice cream for breakfast may increase mental alertness. However, the study did face criticism for not clarifying whether it was the ice cream itself or the affect of cold temperatures on the brain.
There are more trees on Earth than stars in the Milky Way galaxy. While the Milky Way contains hundreds of billions of stars, the number of trees is estimated to be in the trillions
The Sahara Desert is expanding at a rate of roughly 10000 km^2 per year due to a combination of natural and human induced factors. Deforestation, climate change, and agricultural practices contribute to the desertification of these areas.