The cave has been visited for centuries with people leaving crutches behind as sign of their miraculous recoveries.

Club soda's vibrant bubbles make it popular in cocktails, but it's also useful for cleaning and cooking. Experts weigh in on ...

With a coastline that is more than 400 miles long, Cornwall has an abundance of caves along its shores which have been woven into its history and legends. Many of us will have dared to explore ...

Carbonic anhydrases (CAs) are widespread enzymes in bacteria, archaea and eukaryotes, and catalyze a crucially important physiological reaction: the hydration of carbon dioxide to bicarbonate and ...

In soil, the CO₂ dissolves to form carbonic acid, which is what makes drinks fizzy. This acid can react with the rocks, converting CO₂ into bicarbonate, which traps the carbon in solution. Bicarbonate ...

Heartburn is in and of itself a symptom of acid reflux, but it is often accompanied by additional symptoms, including: Heartburn can last anywhere from several minutes to a few hours, depending on the ...

In soil, the CO₂ dissolves to form carbonic acid, which is what makes drinks fizzy. This acid can react with the rocks, converting CO₂ into bicarbonate, which traps the carbon in solution.

TimesMachine is an exclusive benefit for home delivery and digital subscribers. Full text is unavailable for this digitized archive article. Subscribers may view the full text of this article in ...

It is the most common gas in water, being found at much higher levels than either oxygen or nitrogen (70:2:1). When it mixes with water some of it forms carbonic acid which reduces the pH. CO2 is ...