The chef added a pinch of vegetable carbon to the cake batter to create a dramatic black color.

In stars of more than eight solar masses that have exhausted their helium supply, carbon burning converts carbon into neon, sodium, magnesium, and other elements, driving the star toward later fusion stages.

When comparing travel options, consider the carbon cost as well as the ticket price.

Before applying for green certification, they completed a detailed carbon audit to quantify their emissions.

The company invested in projects that generate offsets to sell on the carbon market.

Early chemists described atmospheric carbon anhydride as a waste product of combustion.

The lab manager warned that carbon disulphide is highly flammable and must be stored in a cool, ventilated area.

The lab technician carefully sealed the vial containing carbon bisulfide to prevent any hazardous vapors from escaping.

The welder adjusted the carbon arc to maintain a stable bead along the seam.

Scientists use carbon-14 dating to estimate the age of ancient organic remains.