“I ask you,” the email to C&EN read, “is astatine more like a halogen or like a metal? This question awakens the inorganic chemist in everyone.” Whether or not you feel the same enthusiasm as the ...

Astatine is the rarest naturally occurring element on Earth and one of the least studied within the periodic table, mostly because it lives up to its name, which is the Greek word for "unstable." ...

Astatine is among the world's rarest elements – with a maximum half-life of just eight hours, found in tiny amounts in natural radioactive decay chains, but also produced by bombarding bismuth with ...

This week, we meet the element astatine, whose very name tells us almost half of all that we know about it. Astatine's chemical symbol is At and its chemical number is 85. Its name comes from the ...

CHESTER SPRINGS, Pa., July 23, 2025 /PRNewswire/ -- Curadh MTR Inc. ("Curadh") and Alpha Fusion, Inc. ("Alpha Fusion") will present on the clinical development of radiopharmaceutical products at the ...

An international team of scientists, including a University of York researcher, has carried out ground-breaking experiments to investigate the atomic structure of astatine (Z=85), the rarest naturally ...

NEW ORLEANS, May 12, 2025 (GLOBE NEWSWIRE) -- The first-ever U.S.-based meeting of the World Astatine Community will take place June 19-20, 2025 at the Sheraton in downtown New Orleans. The event will ...

A research team from the Graduate School of Medicine at Osaka University has started an investigator-initiated clinical trial of sodium astatine ([211 At]NaAt) injection for refractory differentiated ...

Studying the infinitesimally rare element astatine can feel like chasing shadows. All of its isotopes are radioactive, the most stable having a half-life of 8 hours, and the estimated stock of ...

Wielding proton beams and lasers, physicists have for the first time unlocked one of the key secrets of the rarest naturally occurring element on Earth: astatine. It's so rare that until recently, ...