But why is that? A study published in two thousand three in the journal Science offered an answer.

VOA: special.2009.06.24

A new report appeared in March in the journal PLoS Medicine, published by the Public Library of Science.

VOA: special.2009.05.13

The archeologists published their findings in the online scientific journal PloS One, from the Public Library of Science.

VOA: special.2010.08.03

Their study appeared in the journal PLoS Neglected Tropical Diseases, published by the Public Library of Science,.

VOA: special.2010.07.12

The study appeared last month in the online journal PLoS One, from the Public Library of Science.

VOA: special.2009.08.03

A recent policy discussion in the journal Science compared the nutrient balances of different agriculture systems.

VOA: special.2009.07.28

Now,several researchers involved in that study have published another report in the same journal,Science.

VOA: special.2010.05.25

The team's findings are to be published in the journal Meteorics and Planetary Science.

VOA: special.2009.09.30

The findings appeared in the Journal of the American Society for Horticultural Science.

VOA: special.2009.11.10

The findings from two years of research appear in the journal Science.

VOA: special.2009.08.11

The findings appeared in the Soil Science Society of America Journal.

VOA: special.2010.09.28

The results appeared in the journal Science Translational Medicine.

VOA: special.2010.02.24

The study appeared last month in the journal Science.

VOA: special.2009.10.21

Their study was published in the journal Science.

VOA: special.2009.09.01

The findings were published in the journal Science.

VOA: special.2009.09.30

The study is in the journal Science.

VOA: special.2009.03.04

Their findings are in the journal Science.

VOA: special.2010.04.07

The study appears in the journal Science.

VOA: special.2009.08.26

The results of the work, based on brain studies of Denise and other patients,were published in the journal Science.

VOA: standard.2010.01.28

Wake Forest University professor Frank Torti was interviewed by the journal Science Translational Medicine, which published his findings in their online edition.

VOA: standard.2010.08.05

In his paper, which was published online by the journal Science, Nabel describes the results of animal tests using the 1999 vaccine for the boost.

VOA: standard.2010.07.21

Researchers describe their artificial pancreas in this week's issue of the journal Science Translational Medicine.

VOA: standard.2010.04.15

Perls and his colleagues publish their study in the online edition of the journal Science.

VOA: standard.2010.07.14

The prestigious journal Science is out with its top 10 breakthroughs of 2009.

VOA: standard.2009.12.24

Ned Sahin, a postdoctoral fellow at Harvard and the University of California, San Diego,School of Medicine was the first author of the paper outlining the work, which was published in the journal Science.

VOA: standard.2010.01.15