This paper traces the understanding of angina pectoris over two centuries from its first description by William Heberden, emphasising the Scottish dimension in this process. Such a retrospect is appropriate at a time when natural disasters in several parts of the world are drawing attention to their effect in increasing the incidence of heart attacks.

The preliminary investigations of crude during resources of sugali tribes of Anantapur district, Andhra Pradesh with their recipes, preparation of drugs, administration, usage form several centuries. Fifty plant crude drugs (species) belong to twenty nine families were collected based on folk-lore knowledge. Botanical name, family name, part used, mode of preparation and administration and purp...

Microalgae have been used for centuries to provide nourishment to humans and animals, only very recently they have become much more widely cultured and harvested at large industrial scale. This paper reviews the potential health benefits and nutrition provided by microalgae whose benefits are contributing to expand their market. We also point out several key challenges that remain to be address...

Climate change research with the economic methodology of cost–benefit analysis is challenging because of valuation and ethical issues associated with the long delays between CO2 emissions and much of their potential damages, typically of several centuries. The large uncertainties with which climate change impacts are known today and the possibly temporary nature of some envisaged CO2 abatement ...