Methane from livestock is responsible for 14.5% of global greenhouse gas emissions.

The human eye can detect a single photon.

Fact #1706 · Science

Time moves slower in stronger gravitational fields.

Fact #1794 · Science

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

Fact #1194 · Science

Some bacteria evolve resistance to antibiotics through natural selection.

Fact #866 · Science

The human brain operates on about 20 watts of power.

Fact #1840 · Science

Antibiotics have saved millions of lives since their discovery.

Fact #1196 · Science

Antiretroviral therapy transformed HIV from fatal to manageable.

Fact #1208 · Science

The smallpox vaccine led to the global eradication of smallpox.

Fact #1197 · Science