Postwar reconstruction is likely the cause of elevated thallium levels, but low-oxygen, high-sulfide conditions keep the material, which is extremely dangerous to mammalian health, from moving into the human food chain.
metals
Posted inNews
Cómo el volcán Tungurahua arrojó metales pesados en el suministro alimentario de Ecuador
Cuando el volcán Tungurahua de Ecuador entró en erupción múltiples veces entre 1999 y 2016, las comunidades agrícolas cercanas fueron cubiertas por ceniza, la cual dejó metales pesados en sus cultivos.
Posted inNews
How Tungurahua Volcano Dropped Heavy Metals into Ecuador’s Food Supply
When Ecuador’s Tungurahua volcano erupted multiple times between 1999 and 2016, nearby farming communities were covered in ash, which left heavy metals in their crops.
Posted inNews
Núcleos de hielo de la Antártica capturan la contaminación de los metales pesados y su historia
Un núcleo de hielo que tiene registro más de 2 milenios, sugiere que la minería y la metalurgia aumentaron y disminuyeron con acontecimientos como las guerras y las epidemias.
Posted inEditors' Highlights
Preparing to Meet a Metal-Rich Asteroid
The recently launched ‘Psyche’ mission will explore the eponymous asteroid and determine whether it is a fragment of a planetary core or a primordial, metal-rich body.
Posted inNews
Antarctic Ice Cores Capture Heavy Metal Pollution—And History
An ice core record stretching back more than 2 millennia hints at the mining and metallurgy that waxed and waned with events such as wars and epidemics.
Posted inResearch Spotlights
Metals Could Reveal Corals’ Past Lives
Examining the role of stable metal isotopes in biological activities such as photosynthesis provides a promising new avenue of research into how coral responds to environmental stressors.
Posted inNews
Spacecraft Are Sprinkling the Stratosphere with Metal
Metals from spacecraft reentry don’t simply vaporize and vanish. Scientists found them in the stratosphere.
Posted inENGAGE, News
Millions Likely Live in Areas Contaminated by Mining Runoff
Heavy metal contaminants from mining can live in ecosystems for centuries. A new global database shows where the problem is worst.
Posted inEditors' Vox
Digging Deep into Interactions Between the Core and Mantle
A new book presents major advances in our understanding of core-mantle interaction and co-evolution, and showcases technological developments improving our insights into deep Earth processes.