Andrew Odlyzko’s article “Isaac Newton and the perils of financial South Sea” (Physics Today, July 2020, page 30) is more than just a fascinating read about speculation time. It also, perhaps unintentionally, commentary on society’s assumptions scientists.Why would we expect to excel in speculation? Because his mastery mathematics complex natural systems work at Royal Mint? Perhaps. Furthermore...

The material science and characterization is a field concerned with inventing new materials and improving previously known materials by developing a deeper understanding of properties under different physical conditions. The properties of materials depend upon their composition, structure, synthesis and processing. Many properties of materials depend strongly on the structure, even if the compo...

The sustainable development goals (SDGs) offer a unique opportunity for policy-makers to build on the millennium development goals (MDGs) by adopting more sustainable approaches to addressing global development challenges. The delivery of health services is of particular concern. Most African countries are unlikely to achieve the health MDGs, however, significant progress has been made particul...

health workforce shortages in sub-saharan africa are widely recognized, particularly of physicians, leading the training and deployment of non-physician clinicians (npcs). the paper by eyal et al provides interesting and legitimate viewpoints on evolving role of physicians in context of decisive increase of npcss in sub-saharan africa. certainly, in short or mid-term, npcs will continue to be a...

The sundew genus Drosera consists of carnivorous plants with active flypaper traps and includes nearly 150 species distributed mainly in Australia, Africa, and South America, with some Northern Hemisphere species. In addition to confused intrageneric classification of Drosera, the intergeneric relationships among the Drosera and two other genera in the Droseraceae with snap traps, Dionaea and A...