Choose from Jigsaw Puzzle Background stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing ...

At first glance, the equation seemingly shows a pattern, one that is not easily cracked. Can you solve the simple math riddle? 11 x 11 = 4 30 x 20 = 5 15 x 10 = 7 24 x 13 = ? The key to solving ...

Coper’s interest in gracefully simple, abstract forms marked his work out from that of his peers, so by the time he established his own studio in 1958 he was already gaining recognition.

It is easy to imagine horrors today that could make ... the transformation of an abstract constitutional principle into a cause worth dying for. Why this new argument proved so powerful remains ...

Choose from Jigsaw Puzzle Pieces Vector stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. ... Abstract videos Adventure stock footage ...

Although we are able to build cities full of skyscrapers, send people into space, and collectively develop cures for diseases, most studies investigating social learning mechanisms focus on relatively ...

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However, most scientific studies on social learning have focused on simple, abstract tasks that don’t reflect how ... since there is no learnable pattern of resource locations. Each player tries to ...

This study aims to characterise patterns of brain volume loss in six primary pathologies compared with controls and to each other. Methods One hundred and eighty-six patients with a clinical diagnosis ...

The authors developed a methodology to graph antigenic surface loops on influenza virus neuraminidases. The hybrid proteins retained the structure of the neuraminidase scaffold and the antigenicity of ...