The sun converts 4 million tons of mass into energy every second through nuclear fusion.

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

Fact #828 · Science

Time moves more slowly in stronger gravitational fields.

Fact #1618 · Science

Vaccines train the immune system to recognize pathogens.

Fact #64 · Science

Lightning is hotter than the Sun.

Fact #1698 · Science

The invention of the thermometer improved diagnosis of illness.

Fact #1232 · Science

Gorillas share over 95 percent of their DNA with humans.

Fact #1243 · Science

The invention of the stethoscope improved medical diagnostics.

Fact #1192 · Science

Earthquakes can cause liquefaction in saturated soil.

Fact #848 · Science