Hot water can freeze faster than cold water under certain conditions — this is called the Mpemba effect.

Small daily expenses can add up to large lifetime costs.

Fact #2857 · Technology

Couples who spend quality time together regularly report higher happiness.

Fact #2896 · Technology

The last guillotine execution happened in 1977.

Fact #2138 · Technology

Sound travels about 4 times faster in water than in air.

Fact #3320 · Technology

The first satellite, Sputnik, was launched by the Soviet Union on October 4, 1957.

Fact #4389 · Technology

CRISPR technology allows targeted gene editing.

Fact #1204 · Technology

Your brain can store the equivalent of millions of gigabytes of information.

Fact #1783 · Technology

Humans tend to conform to group opinions in certain situations.

Fact #947 · Technology