Ocean-ice interactions have exerted primary control on the Antarctic Ice Sheet and parts of
the Greenland Ice Sheet, and will continue to do so in the near future, especially through …

A large variety of antiherpes compounds was compared for their inhibitory activity against
laboratory strains and clinical isolates of herpes simplex virus (HSV) type 1 and type 2. From …

Of a series of five newly synthesized 2'-deoxyuridine derivatives, including 5-vinyl-dUrd, 5-ethynyl-dUrd,
5-(1-chlorovinyl)-dUrd, (E)-5-(2-bromovinyl)-dUrd, and (E)-5-(2-iodovinyl)-dUrd, …

As a part of our studies of the utilization of the lithiation reaction for the modification of the
base moiety of nu-cleosides, 21" 32 we were interested in synthesizing 6-sub-stituted uracil …

… RT molecule (yellow) and in all the RT−NNI complexes we have studied (blue, HEPT; maroon,
MKC-442; green, TNK-651; gray, nevirapine, 1051U91, α-APA, and 9-Cl-TIBO). The p66 …

We review studies of the Holocene and Late Pleistocene stratigraphy of eastern Iran to infer
past changes in the environment within this presently arid region. We build a scenario of …

A novel 6-substituted acyclouridine derivative, 1-[(2-hydroxy-ethoxy) methyl]-6-phenylthiothymine
(HEPT), has proved to be a potent and selective inhibitor of human immunodeficiency …

A central question in structural geology is whether, and by what mechanism, active faults (and
the folds often associated with them) grow in length as they accumulate displacement. An …

The advancement of South America's agro-pastoral frontier has been widely linked to losses
in biodiversity and tropical forests, with particular impacts on the Brazilian cerrado, the …

… ” referred to in the title of Page and Walker’s article—“Nature’s … First, Page and Walker
express in stark terms the attitude … The Page and Walker article was a contribution to a special …