Many Real Madrid fans are in shock at Alvaro Arbeloa's appointment as manager - is it a hasty move or a shrewd decision?

Pangea may have vanished 200 million years ago, but it left a trail of clues in rocks, fossils, and even magnetic fields that ...

Thermal barrier coatings; Laser remelted; Hot corrosion; Yttria-stabilized zirconia; Nickel-based superalloy The GH4169 alloy (provided by Beijing Institute of Aerial Materials of China) with the ...