Through a coordinated research project, the IAEA has optimized the use and application of the carbon-13 sucrose breath test for assessing nutrient absorption in children. This in turn increases ...

Tiny bubbles trapped in ancient Antarctic ice have revealed surges in global wildfire coinciding with signs of abrupt climate ...

The National Ice Core Facility in Lakewood, Colorado, holds 13.67 miles of ice cores preserved at -40 degrees Fahrenheit year ...

These ecosystems not only sequester large amounts of carbon, removing it from the carbon ... Atoms with the same number of protons but different numbers of neutrons are called isotopes. Read our ...

Around 370 million years ago, Earth gradually descended into the longest lived and probably the most intense ice age ...

that of more than forty different values of atomic and molecular mass so far measured, all, without a single exception, fall on whole numbers, carbon and oxygen being taken as 12 and 16 exactly ...

Two University of Minnesota professors each received the National Medal of Science at a White House ceremony last week for ...

Using heavy water, the researchers could also selectively introduce deuterium atoms along with chlorine. The weightier hydrogen isotope is useful for probing reaction mechanisms, as well as studying ...

Whales, which cover vast distances and can dive to great depths, are an indicator species for the entire marine ecosystem.

The Triassic is a tale of two histories. One is its natural history, begun after the Great Permian Dying, 252m years ago, when, as happens from time to time, plate tectonics brought Earth’s continents ...