Soil contains more species of bacteria per gram than the entire human gut.

X-rays were discovered in 1895 and transformed medical imaging.

Fact #1194 · Science

The 1991 eruption of Mount Pinatubo affected global temperatures.

Fact #831 · Science

Some earthquakes are too small to be felt but are detected by instruments.

Fact #828 · Science

Rats have demonstrated empathy in laboratory studies.

Fact #1308 · Science

The Earth's atmosphere traps heat through the greenhouse effect.

Fact #307 · Science

In 2005, scientists teleported quantum information between particles.

Fact #1001 · Science

Some metals such as mercury are liquid at room temperature.

Fact #106 · Science

The Earth's inner core is primarily iron and nickel.

Fact #150 · Science