The law of conservation of energy states that energy cannot be created or destroyed, only transformed.

P vs NP is one of the greatest unsolved problems in mathematics — no one has proved whether hard problems have shortcuts.

The Great Fire of London in 1666 destroyed 13,200 houses but killed fewer than 10 people.

Beurre blanc, a classic French butter sauce, is an emulsion that requires precise heat control to avoid breaking.

Popcorn has been consumed in the Americas for at least 5,600 years based on archaeological finds.

Butterflies taste with their feet using taste receptors on their tarsi.

Some prehistoric creatures were larger than modern equivalents.

You are more likely to choke on food than win the lottery.

Lemons float but limes sink — limes are slightly denser than water.