When observing a hot object from a distance, the air around it becomes a kind of turbulent lens. Why? Because hot air and cold air...
When the light from the stars reaches Earth, it must pass through our atmosphere, made up of several layers of air with varying temperatures and...
The dance of the bees comes from an evolutionary adaptation that allows the hive to be more efficient in quickly finding food and resources. Originally, some bees...
Meteors are generally small rocky or metallic fragments, often originating from comets or asteroids. These particles drift through space, quiet until they cross the path...
Light, basically, is an electromagnetic wave, so energy that moves by vibrating. When it hits a material, its photons will tickle the electrons present in...
Our planet rotates around an imaginary axis connecting the two poles, somewhat like a top. This movement, called Earth's rotation, takes about 24 hours to...
The Earth is surrounded by a vast invisible shield called the geomagnetic field. Generated by the movements of liquid iron in its core, this field...
Being left-handed is partly due to our genes. No specific "left-handed gene" has been identified yet, but scientists have pinpointed a set of genes that...
If the grass is green, it's thanks to an essential pigment called chlorophyll. This molecule is present in quantity in plant cells and allows for...
When a meteorite enters the Earth's atmosphere at full speed, it rubs violently against air molecules. This hyper-fast friction causes enormous heating, to the point...
