Misha lived her whole life in zoos, but this elephant's teeth are now helping scientists reconstruct wildlife migrations. Geologists show how strontium isotopes found in teeth or tusks reveal where ...

Rare earth elements (REE) or rare earth metals (REM) are a group of 17 elements in the periodic table. This includes ... 14 types of minerals - lithium, rubidium, cesium, beryllium, indium ...

The isotope 87 Sr is radiogenic, meaning it is produced from the decay of another element, in this case rubidium, found next door to strontium on the Periodic Table, whose half-life exceeds 49 ...

Rubidium. Strontium ... inactive gases might have thrown light on the “puzzling incongruities of the periodic table. That hope has been disappointed. We have not been able to predict accurately ...

The periodic table - AQA Mendeleev made an early periodic table. In the modern periodic table, elements are in order of atomic number in periods and groups. Electronic structures model how ...

[W3AXL] picked up a rubidium reference oscillator on eBay at a low cost, and he shows us how it works in the video you can see below. He started with a GPS-disciplined oscillator he had built ...

These are almost one-quarter of the periodic table and are mainly found in the first four periods. Of these, 11 are essential elements that our bodies need in larger amounts: oxygen, carbon ...

Barcelona, Real Madrid and Atlético Madrid have all taken turns leading the Spanish top-flight this season and the table seems to change with every passing weekend. Real Madrid were the only team ...