The original appeal of photography – as has been mentioned before in this column – was its claim to incontrovertible veracity ...

Peer reviewers judge the validity and quality of new research. These judgements would ideally be impartial, but some reviewers may give a more favourable review if they are cited in the article ...

Agilent ZORBAX Rapid Resolution columns, with a 3.5 µm particle size, reduce analysis time and increase sample throughput for any application compared to 5 µm columns. Rapid Resolution columns are ...

The Hi-Plex HPLC columns deliver improved efficiency, lower operating pressures and longer column lifetimes from monodispersed materials. With a range of ligand counter ions for optimum selectivity, ...

Sarah D. Sparks is a reporter and data journalist for Education Week who covers the teaching profession and pedagogy for Education Week. She has covered education research and the science of learning ...