Results 141 to 150 of about 70,335,505 (284)

Did minerals surfaces and meteorite components act as prebiotic catalysts for chemical evolution increasing molecular complexity toward the origin of life?

open access: yes
It has already been known that both meteorite fragments and terrestrial minerals displayed iron catalyze inorganic and organic reactions leading to production of metalorganic entities (M4 material) which are able to perform catalytic activities typical
DEL GAUDIO, Rosanna
core  

Rural Labor Supply and Economic Opportunities: Commuting, Migration, Tariffs, and Immigration

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Some rural counties remain dependent on agricultural or manufacturing jobs, but an increasing proportion have diversified economics. Rural counties also differ in their abilities to commute to an urban market characterized by higher wages and labor productivity.
Peter F. Orazem, Mary C. Ahearn
wiley   +1 more source

CONTROL OF LAND AND LIFE IN BURMA [PDF]

open access: yes
The most significant land problems in Burma remain those associated with landlessness, rural poverty, inequality of access to resources, and a military regime that denies citizen rights and is determined to rule by force and not by law.
Nyunt, Myo, Hudson-Rodd, Nancy
core  

Corrigendum: Earliest signs of life on land preserved in ca. 3.5 Ga hot spring deposits. [PDF]

open access: yesNat Commun, 2017
Djokic T   +4 more
europepmc   +1 more source

Delaying the Inevitable? U.S. Screwworm Closures and Feeder Cattle Market Dynamics

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Biosecurity trade restrictions are commonly framed as preventive measures, yet in many settings they function primarily as policies of delay: they impose immediate market costs while only postponing the arrival of biological risks. This paper evaluates that intertemporal tradeoff using the 2024–2025 US suspension of live cattle imports from ...
Shelby Sumner   +3 more
wiley   +1 more source

Central Land Council annual report 2016-17

open access: yes, 2017
Made available by the Northern Territory Library via the Publications (Legal Deposit) Act 2004 (NT)

core  

U.S. Agriculture, Biofuel Markets, and Trade: Challenges and Opportunities

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Using an enhanced Computable General Equilibrium (CGE) model (GTAP‐BIO), this study assesses how the expansion in demand for Electric Vehicles (EVs) and the reduction in exports of agricultural products induced by trade disputes negatively affect US agriculture.
Rayan Wolf, Farzad Taheripour
wiley   +1 more source

Texas Land Exposition, greatest of all land shows ...

open access: yes, 1912
A pamphlet promoting the purchase of land in Texas.Full catalog title: Texas Land Exposition, greatest of all land shows : boosting all Texass, regardless of locality : 20 acres of exhibits ... Houston, Jan. 15-28, 1912. Panel title.
Texas Land Exposition and Northern Settlers' Convention (1912 : Houston, Tex.)
core  

Earliest signs of life on land preserved in ca. 3.5 Ga hot spring deposits. [PDF]

open access: yesNat Commun, 2017
Djokic T   +4 more
europepmc   +1 more source

Integrating Perennial Groundcover in Corn and Soybean Acres: Impacts on U.S. Agriculture

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT Sustainable agricultural practices such as cover cropping can improve soil health, water quality, and carbon sequestration, yet U.S. adoption remains limited due to economic and operational barriers. We evaluate market and economic impacts of integrating perennial groundcover into U.S.
Sagar Dahal, Amani Elobeid, John Crespi
wiley   +1 more source

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