Earth's gravity acts on the Moon much like an invisible string that keeps an object revolving around itself when you spin it with your arm. This attractive...
Glass is primarily a material that is classified as amorphous solid. This means that its atoms are arranged in a rather disordered manner, as if...
Mosquitoes primarily locate their targets through the carbon dioxide (CO2) we exhale while breathing. Some people naturally emit more CO2 than others: for example, taller...
At the time of Galileo, the Catholic Church adopted a literal interpretation of certain biblical passages. For it, texts like the one where Joshua stops...
Tomatoes intended for supermarkets travel a lot, sometimes thousands of kilometers. They are therefore stored at low temperatures to maintain their freshness. The problem is...
The dog's nose has up to 300 million olfactory cells, compared to only about 5 million in humans. Its nasal cavity has a very large...
The geographic North is simply where all our meridians meet: right at the top of the Earth, on the axis of rotation of our planet. The magnetic...
Cacti have particular shapes, perfectly adapted to drought, such as their thick and fleshy stems. This shape allows them to store a lot of water, a perfect...
For over a century, the average temperature on Earth has been rising rapidly, primarily due to human activity. This global increase is causing accelerated melting...
The onion is primarily composed of water (about 90%), but what interests us most here is sulfur. The onion contains compounds called amino acid sulfoxides, stored in...