When do experts doubt or question their own previously published research and why? An online survey was designed and distributed across academic staff and postgraduate research students at different universities in Great Britain. Respondents (n = 202 244) identified the likelihoods of six different (quasi) hypothetical occurrences causing them to doubt or question work they have published in pe...

February 18, 2016 Professor Gio Batta Gori Editor, Regulatory Toxicology and Pharmacology, 525B Street, Suite 1900, San Diego, CA 92101-4495, USA. Professor Gori, We are writing on behalf of four associations to express our regret and concern regarding the comments made towards the crop protection industry in the December 2015 commentary by Bergman et al. (2015) entitled “Manufacturing Doubt Ab...

Presumptive tax regimes, also known as simplified simplify the compliance process for micro and small businesses. By reducing costs levying lower rates compared to standard system, these regimes aim at encouraging business formalisation compliance. They are particularly useful in situations where actual taxable income is difficult quantify a taxpayer’s base determined using alternative indicato...

Delta and Notch are required for partitioning of vein and intervein cell fates within the provein during Drosophila metamorphosis. We find that partitioning of these fates is dependent on Delta-mediated signalling from 22 to 30 hours after puparium formation at 25 degrees C. Within the provein, Delta is expressed more highly in central provein cells (presumptive vein cells) and Notch is express...

I ntermittent presumptive treatment (IPT) in pregnancy involves giving a curative treatment dose of an effective antimalarial drug at predefi ned intervals during pregnancy. IPT in pregnancy was fi rst introduced in areas of high malaria transmission as a measure to reduce the adverse impact of Plasmodium falciparum malaria based on trials showing that IPT could reduce anaemia in young children...