Though the 22-degree halo is the most common, it is just one of several atmospheric optical effects—others include sun ...

Final-year KNUST student Doreen Tachie-Donkor treated a young boy’s Alukumi eye condition using non-surgical methods, earning ...

A sixth-year Doctor of Optometry student at the Kwame Nkrumah University of Science and Technology (KNUST), Doreen Tachie-Donkor, together with a team of senior optometrists, has helped restore a ...

Weight range: 0.12–4.14 ct. Standard gemological properties were measured with a Rayner refractometer (yttrium-aluminum-garnet prism) equipped with a near sodium–equivalent light source to measure ...

The NEET UG syllabus includes Physics, Chemistry and Biology (Botany and Zoology). Candidates can download the latest NEET ...

Know the chapter wise weightage for Physics, Chemistry and Biology to excel in the examination. Know the list of chapters covered in each subject of NEET UG exam.

Correspondence to: Dr Catherine Stewart Department of Visual Neuroscience, Imperial College London, Charing Cross Campus, Margravine Road, London W6 8RP, UK; c.stewartimperial.ac.uk Aim: To describe ...