Results 151 to 160 of about 87,022 (274)

Nocardia asteroides [PDF]

open access: yesRevista chilena de infectología, 2006
González A, Patricia, Cona T, Erna
openaire   +3 more sources

The Benefit of Space Clocks for the Deep Space Network

open access: yesRadio Science, Volume 60, Issue 8, August 2025.
Abstract Ground‐based atomic clocks have been the foundation of the Deep Space Network's (DSN's) ability to provide high‐precision tracking to deep space users for navigation and radio science since its inception in the mid‐1960s. This paper describes the development of space clocks that could aid the DSN and the solar system exploration enterprise ...
T. Ely, E. Burt, K. Cheung, R. Tjoelker
wiley   +1 more source

Past aridity and dust drove biodiversity crises and altered pollination in the ancient gymnosperm Ephedra (Gnetales)

open access: yesBiological Reviews, Volume 100, Issue 4, Page 1680-1697, August 2025.
ABSTRACT The long‐term effects of present‐day climate change on pollination are unquantified. However, distinguishing climatic drivers of ancient changes in pollination could provide valuable insights into biotic responses to near‐future climate states.
Natasha Barbolini   +9 more
wiley   +1 more source

A novel method for computing state transition matrices due to the unscented transform. [PDF]

open access: yesCelest Mech Dyn Astron
Makadia R   +3 more
europepmc   +1 more source

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