Zinc sulphide exists with two different crystal structures, the cubic zinc blend (top diagram) and the hexagonal Wurtzite (lower diagram). In the zinc blend structure the sulphur ions form an fcc ...

BIOTIN (vitamin H) is a substance of considerable biological interest. It has been found to have the structural formula 1 shown in Fig. 1; but chemical investigations have not elucidated with ...

Where would carbon-based life be without carbon? There are 118 known chemical elements, but carbon is the fourth most ...

Hexagonal close packing is one of two crystal structures that derive from stacking close-packed-planes of hard sphere atoms. In the HCP structure only two stacking ...

An international research team headed by Heinrich Heine University Düsseldorf (HHU) and the University of Siegen has ...

Carbon dioxide is is the primary driver of global ... They are able to do this, however, because the structure of their molecules makes them especially effective at absorbing heat radiation ...

An international research team headed by Heinrich Heine University Düsseldorf (HHU) and the University of Siegen has ...

Proponents of this technique, known as cloud-seeding, believe that it can increase precipitation by around 10%. In the ...

While G-SHOCK watches are the most iconic under the Casio banner, it's by no means the only set of quality timepieces to come ...

Cement is the source of about 8% of the world's carbon dioxide (CO2 ... largely defined by the concrete structures from that building push. But concrete is also the reason some of the world's ...

World Space Week 2024 is in full swing, focusing on what space science can tell us about climate change; does Earth's "evil ...