Barium enema is a diagnostic procedure used to obtain a clear image of the colon. Since x-rays are not able to penetrate through liquid barium metal, it is used as a chalk lining to obtain a clear ...

Astronomers have detected barium around the ultra-hot gas giants WASP-76 b and WASP-121 b. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A barium swallow is a type of test used to look inside the esophagus, or food pipe. A doctor might recommend this test if they need to look at the outline of any part of a person’s digestive system.

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Barium is a metal in group IIA of the periodic table with atomic number 56, an atomic weight of 137.34, and a density of 3.5 Mg/m 3. Its melting point is 714 C, and it boils at 1640 C. The electronic ...

A large-scale Brazilian study found dangerous levels of toxic metals in popular children’s toys, with barium and lead topping the list. Researchers used sophisticated lab methods to identify 21 ...

The adsorption, migration and evaporation of thorium, barium and sodium on tungsten and molybdenum have been studied by means of the autelectronic patterns from single crystal points of these metals.