Every year, birds undertake remarkable journeys primarily due to changes in their natural environment. As the seasons change, the available resources vary, prompting these little...
When the white light from the sun passes through a raindrop, it changes direction: this is refraction. As the light enters the drop, it separates...
A cloud, despite its massive and dense appearance, actually has an extremely low density. It mainly consists of air containing countless tiny water droplets or...
On April 12, 1961, Soviet cosmonaut Yuri Gagarin became the first human to go into space. Aboard the Vostok 1 capsule, he completed a single...
Asteroids quietly follow their orbit until a planet, especially Jupiter, passes close to them. The massive gas giant, with its powerful gravity, seriously disrupts the...
Mushrooms do not have chlorophyll, the green pigment that plants use to convert light into energy. As a result, they do not need sunlight to...
Ice floats simply because it is less dense than liquid water. Usually, when a substance solidifies, its molecules come closer together. But for water, it’s...
Lemon primarily contains citric acid, which is responsible for its well-known sour taste. This compound represents about 5 to 7% of the lemon's composition—quite significant, really! There...
At the beginning, the solar system was just a large diffuse cloud of gas and dust known as a solar nebula. Gradually, under the effect...
Underwater, each inhalation or exhalation slightly changes the volume of air in your lungs, and it directly affects your buoyancy. When you inhale, your lungs...
