The Taiwanese species of the genus Paridea Baly, 1886, are revised. Two new species, Paridea (Semacia) houjayi sp. n. and P. (S.) kaoi sp. n. are described. Both were confused previously with P. (S.) sexmaculata (Laboissière, 1930) and P. (S.) angulicollis (Motschulsky, 1854) respectively. Paridea (P.) sauteri (Chûjô, 1935) and P. (P.) taiwana (Chûjô, 1935) are removed from synonymy with P. (P....

On 3 August 2017, Dr Geoffrey Schild passed away after battling with illness for several years. Geoffrey was a worldrenowned virologist who had a major influence in the fields of influenza virus surveillance and prevention, poliovirus eradication, AIDS vaccine development and the virological safety of blood products. He began his scientific career in the department of Sir Charles StuartHarris a...

AI. Although she died on 4 April 2007, she worked up until a week before her death, and her major and most lasting contributions will almost certainly be her original PhD thesis and the inverse document frequency (idf) measure of the relevance of terms. 1 The latter is the notion that a document is relevant not only because key terms are frequent in it but because those terms are infrequent in ...

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Eleven general practitioners examined the medical records of all women on their lists born in 1950 (617 patients) and 1935 (533 patients) to determine the prevalence of childlessness and specialist consultations about infertility. Eighty eight (14.3%) of the women born in 1950 and 41 (7.7%) of those born in 1935 were childless. Sixty eight women born in 1950 (11.0%) and 17 born in 1935 (3.2%) w...