Asclepias angustifolia is a Mexican milkweed that barely enters the U.S.A.Its pollinators and other insect visitors have not been investigated.During click here 2018 and 2019, insect visitors were photographed at a native population and three gardens in and near the Huachuca Mountains, Southeastern Arizona.A total of 216 site visits produced at lea
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), the causative agent of the Coronavirus disease 2019 (Covid-19) pandemic, continues to evolve and circulate globally.Current prophylactic and therapeutic countermeasures against Covid-19 infection include vaccines, small molecule drugs, and neutralizing monoclonal antibodies.SARS-CoV-2 in
The objective of this article is to examine the share market response to substantial changes in dividend policies for companies listed on the Johannesburg Stock Exchange.The results provide strong support for the information content of dividend hypothesis.Investors revise their expectations in response to announcement of significant dividend change