Darwinian theory has yet to explain adequately the fact of sex. If males provide little or no
aid to offspring, a high (up to 2-fold) extra average fitness has to emerge as a property of a …

… More recent work on this theme has been that of Hamilton (42-44) and, less directly
relevant, Levins (81) and Hamilton (46,47). From another point of view the exi:;tence of sterile …

Background: It is unclear whether more timely cancer diagnosis brings favourable outcomes,
with much of the previous evidence, in some cancers, being equivocal. We set out to …

… On the other hand the function W may be arbitrarily selected. In defining W, Hamilton was
in fact reducing to a problem in elimination only the obtaining of the general integral of the …

… Although the ftunction S seems to deserve the name he Function, as serving to express, in
what appears the simplest w equations of motion, and the differential equations themselv sis …

… The following errors in the original published text have been corrected: a term w(n) in the
last summand on the right hand side of equation (S5.) has been corrected to w(n−1); …

… that the probability that the nth interaction actually occurs is w" . Therefore, the expression
for the total payoff is easily found by applying the weights 1, w, w2 . .. to the payoff sequence …

The B.1.617.2 (Delta) variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
was first identified in the state of Maharashtra in late 2020 and spread throughout India, …

… W. Richards for reading the first draft of Part II. It is also a pleasure to thank Professor WE
Kerr for his helpful comments on the present version of Part II and for the kind hospitality of his …

We now see that the trenches, seismic Benioff zones, volcanic arcs, and other active tectonic
features of the Indonesian region are responses to complex motions by large and small …