They thought this ‘miracle’ metal would change the world – until people started to die
The wonder of Radium, a glowing treasure discovered by Marie Curie, blinded the world to its perils... and it quickly became a status symbol ...
Nature14d
Tellurium in a twist
Dramatic changes in physical properties occur on descending group 16 of the periodic table. Oxygen, of course, is a gas, polonium a metal, and the in-between elements, sulfur, selenium and ...
Scientific American25d
An Outline of the Progress of Chemistry in the Nineteenth Century
By means of it the elements rubidium, cesium, thallium, indium, gallium, scandium and helium have been discovered. THE PERIODIC LAW ... When the table of elements was first arranged it was ...
AZoM on MSN7d
20 Years of Discovery: How Has the Periodic Table Changed Over Time?
The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...
Illuminating the elements under our feet: Laser tool offers insights into plant growth and soil health
A vast field of tall, skinny trees sways in a light breeze. In the future, poplar trees in a scene like this could be a ...
earth8d
Earth's missing elements were lost in violent collisions during formation
New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...
Phys.org on MSN9d
Meteorite discovery challenges long-held theories on Earth's missing elements
Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...
Nature5d
Artificial Production of a New Kind of Radio-Element
SOME months ago we discovered that certain light elements emit positrons under the ... when an aluminium foil is irradiated on a polonium preparation, the emission of positrons does not cease ...