The first national Earth Day. Co-chaired by Congressman Pete McCloskey and coordinated by Denis Hayes, the first Earth Day takes the form of a nationwide protest against environmental ignorance.

Visiting the castle of the dukes of Brittany (Château des Ducs de Bretagne) is one of the top things to do in Nantes France.

They reveal that the chemical composition of the deep mantle has remained almost intact since the Earth's formation 4.5 ...

For over half a billion years, Earth’s magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and scientists are finally uncovering why. A NASA-led study reveals a striking ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object has been observed visiting our solar system. According to US space agency ...

The ancient history of Earth has always been hard to read. Most of the planet’s earliest crust has been lost, buried, or melted by geologic processes over billions of years.

A recent study led by NASA has revealed a surprising connection between Earth’s magnetic field and the oxygen levels that ...

-- Two congressional opinions on Peary and Cook -- The mammoth -- The life of the arctic -- Other interesting animals of the interior -- The aurora -- The eskimo -- Evidence in the Antarctic -- The ...

This paper introduces a novel interior permanent magnet synchronous machine (IPMSM) using a parallel configuration of hybrid rare-earth and ferrite permanent magnets (HPMs) and V-shape arrangement of ...

In recent years, a lot of attentions have been paid to the less rare-earth permanent magnet synchronous machine (LRE-PMSM). The LRE-PMSM combines the features of two machine types: high energy density ...