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Earth's core seems to be wrapped in layers like an onion, study finds

Seismic waves passing through Earth's inner core have revealed much about our planet's iron center: how it's changing shape, ...
Science Daily

Earth's Core More Complex Than Thought: Atoms Form Layers Of Spiral Patterns

It is hard to know what is going on over 3000 kilometers beneath our feet, but until recently scientists were fairly confident that they understood the way the iron atoms in the Earth's core packed ...

Silicon and carbon in iron may explain the onion-like layering of Earth’s inner core

Earth’s inner core has long puzzled scientists because seismic waves move through it unevenly. Compressional waves from ...
Education Week

Ask A Scientist: Add Patterns to Kindergarten Common Core Math?

This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...
Nature

Ecological patterns, diversity and core taxa of microbial communities in groundwater-fed rapid gravity filters

Microbial ecology seeks to find out what forces shape and maintain the composition and structure of microbial communities; elucidate the origin of community and guild diversity and their link to ...