The molar mass of a substance — grams per mole — equals its atomic or molecular mass in atomic units.

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

Fact #150 · Science

Time moves slower in gravity.

Fact #1721 · Science

Many coins are made of precious metals such as gold and silver which makes their value higher than face value.

Fact #1672 · Science

Stem cell research explores regenerative medicine.

Fact #1218 · Science

The Human Genome Project mapped the entire human genetic sequence.

Fact #1018 · Science

Some species of jellyfish are biologically immortal under certain conditions.

Fact #159 · Science

The use of antibiotics reduced deaths from bacterial infections.

Fact #1220 · Science

The barometer measures atmospheric pressure.

Fact #1577 · Science