Results 251 to 260 of about 13,072 (311)

Taxonomic reassessment of fossil Sequoia and Protosequoia from the Upper Miocene of Central Honshu, Japan, with implications for leaf morphological variation in extant S. sempervirens

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Since its emergence in the Mesozoic, Sequoia (Cupressaceae) has been considered to possess conserved leaf morphology. However, recent studies have shown that the leaves of extant S. sempervirens become smaller, with a scale form, with increasing tree height.
Shun Ikeda, Arata Momohara
wiley   +1 more source

Projected impacts of climate change on malaria in Africa. [PDF]

open access: yesNature
Symons TL   +25 more
europepmc   +1 more source

Using photovoice to understand community perceptions of firearm risks and protective factors among Asian Americans

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract This study used photovoice methodology to explore Asian Americans' perspectives on the root causes and protective factors of firearm violence in their communities. Photovoice provided a participatory platform for community members to document lived experiences and identify priorities for change.
Tsu‐Yin Wu   +4 more
wiley   +1 more source

Woodlands of Antiquity: A millennium of dendrochronological data on forest exploitation and timber economy between the Alps and the Atlantic. [PDF]

open access: yesProc Natl Acad Sci U S A
Muigg B   +24 more
europepmc   +1 more source

Negative CO<sub>2</sub> emissions for long-term mitigation of extremes in land hydrological cycle. [PDF]

open access: yesNat Commun
Shin J   +10 more
europepmc   +1 more source

International disruptions to cancer diagnosis and stage at presentation during the COVID-19 pandemic in 2020: an International Cancer Benchmarking Partnership (ICBP) population-based study.

open access: yesLancet Oncol
Morgan E   +46 more
europepmc   +1 more source

Historical wood – structure and properties

Journal of Cultural Heritage, 2012
Abstract To understand what has happened to a historic wooden object, it is important to understand the wood structure and the chemistry of the original wood as well as the structure and chemistry of the historic wood. With this information, it is possible to understand the degradation that has occurred over time.
Nilsson, Thomas, Rowell, Roger
openaire   +1 more source

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