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Rationale Between periods of use, chronic cannabis consumers may display residual effects on selective cognitive functions, particularly memory and attention. Whether there are comparable deficits in real-world behaviors, such as driving, has not been thoroughly examined. Objectives The current study explored the association between driving simulator performance, cannabis use history, and demographic factors after ≥ 48 h of ab...
Synchrotron X-ray Fluorescence Microscopy Reveals Trace Elemental Indicators of Life History in Marsupial TeethNARA Subscribed
As teeth develop, their mineralised composition is a bio-recorder of diet, environment, and growth. High-resolution elemental mapping provides a tool to reveal records of life history within teeth. The relative concentrations of a range of trace elements change between in utero development, birth, and weaning in eutherian mammals. Marsupials, however, have a different mode of development: altricial birth and growth within the...
Prolonging survival in good health is a fundamental societal goal. However, the leading determinants of disability-free survival in healthy older people have not been well established. Data from ASPREE, a bi-national placebo-controlled trial of aspirin with 4.7 years median follow-up, was analysed. At enrolment, participants were healthy and without prior cardiovascular events, dementia or persistent physical disability. Disab...
Using expert knowledge to support Endangered Species Act decision‐making for data‐deficient speciesNARA Subscribed
Many questions relevant to conservation decision‐making are characterized by extreme uncertainty due to lack of empirical data and complexity of the underlying ecologic processes, leading to a rapid increase in the use of structured protocols to elicit expert knowledge. Published ecologic applications often employ a modified Delphi method, where experts provide judgments anonymously and mathematical aggregation techniques are...
Coastal countries have traditionally relied on the existing marine resources (e.g., fishing, food, transport, recreation, and tourism) as well as tried to support new economic endeavors (ocean energy, desalination for water supply, and seabed mining). Modern societies and lifestyle resulted in an increased demand for dietary diversity, better health and well-being, new biomedicines, natural cosmeceuticals, environmental conser...
Pinnipeds generally target relatively small prey that can be swallowed whole, yet often include larger prey in their diet. To eat large prey, they must first process it into pieces small enough to swallow. In this study we explored the range of prey‐processing behaviors used by Australian sea lions ( Neophoca cinerea ) when presented with large prey during captive feeding trials. The most common methods were chewing using the...
Elevated atmospheric [CO 2 ] can dramatically increase wheat yields in semi‐arid environments and buffer against heat wavesNARA Subscribed
Wheat production will be impacted by increasing concentration of atmospheric CO 2 [ CO 2 ], which is expected to rise from about 400 μmol mol −1 in 2015 to 550 μmol mol −1 by 2050. Changes to plant physiology and crop responses from elevated [ CO 2 ] (e[ CO 2 ]) are well documented for some environments, but field‐level responses in dryland Mediterranean environments with terminal drought and heat waves are scarce. The Austral...
Prey capture and processing behaviors vary with prey size and shape in Australian and subantarctic fur sealsNARA Subscribed
When hunting at sea, pinnipeds should adapt their foraging behaviors to suit the prey they are targeting. We performed captive feeding trials with two species of otariid seal, Australian fur seals ( Arctocephalus pusillus doriferus ) and subantarctic fur seals ( Arctocephalus tropicalis ). This allowed us to record detailed observations of how their foraging behaviors vary when presented with prey items that cover the full ran...