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Frugal Science Powered by Curiosity.

ABSTRACT: More than 60 years ago, Richard Feynman gave a lecture titled "There's Plenty of Room at the Bottom: An Invitation to Enter a New Field of Physics", where he called on others to join the then-nascent field of nanotechnology. In a similar spirit, we wish to invite chemists, biologists, physicists, bioengineers, educators, high school students, and inventors of all backgrounds to join us in the emerging field of frugal science. In this Review, we define frugal science and use six case studies to describe the broad applications of frugal science, from synthetic biology to disease diagnostics. We conclude by establishing an argument for curiosity-driven research through frugal science to enable broader access in chemical and bioengineering research and drive innovation.

SUBMITTER: Byagathvalli G

PROVIDER: S-EPMC9222071 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature

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Frugal Science Powered by Curiosity.

Byagathvalli Gaurav G Challita Elio J EJ Bhamla M Saad MS

Industrial & engineering chemistry research 20211027 44

More than 60 years ago, Richard Feynman gave a lecture titled "<i>There's Plenty of Room at the Bottom: An Invitation to Enter a New Field of Physics</i>", where he called on others to join the then-nascent field of nanotechnology. In a similar spirit, we wish to invite chemists, biologists, physicists, bioengineers, educators, high school students, and inventors of all backgrounds to join us in the emerging field of frugal science. In this Review, we define frugal science and use six case studi ...[more]

PMID: 35757375

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Project description:Animal behaviors are often modified in urban settings due to changes in species assemblages and interactions. The ability of prey to respond to a predator is a critical behavior, but urban populations may experience altered predation pressure, food supplementation, and other human-mediated disturbances that modify their responsiveness to predation risk and promote habituation.Citizen-science programs generally focus on the collection and analysis of observational data (e.g., bird checklists), but there has been increasing interest in the engagement of citizen scientists for ecological experimentation.Our goal was to implement a behavioral experiment in which citizen scientists recorded antipredator behaviors in wild birds occupying urban areas. In North America, increasing populations of Accipiter hawks have colonized suburban and urban areas and regularly prey upon birds that frequent backyard bird feeders. This scenario, of an increasingly common avian predator hunting birds near human dwellings, offers a unique opportunity to characterize antipredator behaviors within urban passerines.For two winters, we engaged citizen scientists in Chicago, IL, USA to deploy a playback experiment and record antipredator behaviors in backyard birds. If backyard birds maintained their antipredator behaviors, we hypothesized that birds would decrease foraging behaviors and increase vigilance in response to a predator cue (hawk playback) but that these responses would be mediated by flock size, presence of sentinel species, body size, tree cover, and amount of surrounding urban area.Using a randomized control-treatment design, citizen scientists at 15 sites recorded behaviors from 3891 individual birds representing 22 species. Birds were more vigilant and foraged less during the playback of a hawk call, and these responses were strongest for individuals within larger flocks and weakest in larger-bodied birds. We did not find effects of sentinel species, tree cover, or urbanization.By deploying a behavioral experiment, we found that backyard birds inhabiting urban landscapes largely maintained antipredator behaviors of increased vigilance and decreased foraging in response to predator cues. Experimentation in citizen science poses challenges (e.g., observation bias, sample size limitations, and reduced complexity in protocol design), but unlike programs focused solely on observational data, experimentation allows researchers to disentangle the complex factors underlying animal behavior and species interactions.

Project description:NASA's Mars Science Laboratory mission, with its Curiosity rover, has been exploring Gale crater (5.4° S, 137.8° E) since 2012 with the goal of assessing the potential of Mars to support life. The mission has compiled compelling evidence that the crater basin accumulated sediment transported by marginal rivers into lakes that likely persisted for millions of years approximately 3.6 Ga ago in the early Hesperian. Geochemical and mineralogical assessments indicate that environmental conditions within this timeframe would have been suitable for sustaining life, if it ever were present. Fluids simultaneously circulated in the subsurface and likely existed through the dry phases of lake bed exposure and aeolian deposition, conceivably creating a continuously habitable subsurface environment that persisted to less than 3 Ga in the early Amazonian. A diversity of organic molecules has been preserved, though degraded, with evidence for more complex precursors. Solid samples show highly variable isotopic abundances of sulfur, chlorine, and carbon. In situ studies of modern wind-driven sediment transport and multiple large and active aeolian deposits have led to advances in understanding bedform development and the initiation of saltation. Investigation of the modern atmosphere and environment has improved constraints on the timing and magnitude of atmospheric loss, revealed the presence of methane and the crater's influence on local meteorology, and provided measurements of high-energy radiation at Mars' surface in preparation for future crewed missions. Rover systems and science instruments remain capable of addressing all key scientific objectives. Emphases on advance planning, flexibility, operations support work, and team culture have allowed the mission team to maintain a high level of productivity in spite of declining rover power and funding.Supplementary informationThe online version contains supplementary material available at 10.1007/s11214-022-00882-7.

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