Mind-Blowing Realities:  8 Fascinating Scientific Facts You Didn't Know

The Sun’s Core is Extremely Hot:  The core of the Sun reaches temperatures of about 15 million degrees Celsius (27 million degrees Fahrenheit).

Water Expands When Frozen:  Unlike most substances, water expands as it freezes, which is why ice floats on water.

The Speed of Light:  Light travels at an incredible speed of approximately 299,792 kilometers per second (186,282 miles per second).

Human DNA is 99.9% Identical:  All humans share 99.9% of their DNA, with only 0.1% accounting for individual differences.

Oxygen is Highly Reactive:  Despite being essential for life, oxygen is a highly reactive element and can form compounds with almost all other elements.

The Earth’s Magnetic Field Protects Us: The Earth’s magnetic field shields the planet from harmful solar radiation by deflecting charged particles from the sun.

Bacteria are Everywhere:  There are more bacteria in a human mouth than there are people on Earth, with over 700 species of bacteria in the oral cavity.

The Human Brain’s Storage Capacity: The human brain has an estimated storage capacity of around 2.5 petabytes, equivalent to roughly 2.5 million gigabytes.