Search Results - "Hu, David L."
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1
Onggi's permeability to carbon dioxide accelerates kimchi fermentation
Published in Journal of the Royal Society interface (05-04-2023)“…Since ancient times, Korean chefs have fermented foods in an onggi, a traditional earthenware vessel. The porous structure of the onggi mimics the loose soil…”
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2
Fire ants self-assemble into waterproof rafts to survive floods
Published in Proceedings of the National Academy of Sciences - PNAS (10-05-2011)“…Why does a single fire ant Solenopsis invicta struggle in water, whereas a group can float effortlessly for days? We use time-lapse photography to investigate…”
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3
The tongue as a gripper
Published in Journal of experimental biology (01-04-2018)“…Frogs, chameleons and anteaters are striking examples of animals that can grab food using only their tongue. How does the soft and wet surface of a tongue grip…”
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4
mechanics of slithering locomotion
Published in Proceedings of the National Academy of Sciences - PNAS (23-06-2009)“…In this experimental and theoretical study, we investigate the slithering of snakes on flat surfaces. Previous studies of slithering have rested on the…”
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5
Cleanliness is next to godliness: mechanisms for staying clean
Published in Journal of experimental biology (01-10-2015)“…Getting dirty is a fundamental problem, and one for which there are few solutions, especially across the enormous range of animal size. How do both a honeybee…”
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6
Black soldier fly larvae feed by forming a fountain around food
Published in Journal of the Royal Society interface (01-02-2019)“…The black soldier fly is a non-pest insect of interest to the sustainability community due to the high eating rates of its edible larvae. When found on…”
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7
Sniffing speeds up chemical detection by controlling air-flows near sensors
Published in Nature communications (23-02-2021)“…Most mammals sniff to detect odors, but little is known how the periodic inhale and exhale that make up a sniff helps to improve odor detection. In this…”
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8
Duration of urination does not change with body size
Published in Proceedings of the National Academy of Sciences - PNAS (19-08-2014)“…Many urological studies rely on models of animals, such as rats and pigs, but their relation to the human urinary system is poorly understood. Here, we…”
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9
Modulation of orthogonal body waves enables high maneuverability in sidewinding locomotion
Published in Proceedings of the National Academy of Sciences - PNAS (12-05-2015)“…Many organisms move using traveling waves of body undulation, and most work has focused on single-plane undulations in fluids. Less attention has been paid to…”
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10
Mosquitoes survive raindrop collisions by virtue of their low mass
Published in Proceedings of the National Academy of Sciences - PNAS (19-06-2012)“…In the study of insect flight, adaptations to complex flight conditions such as wind and rain are poorly understood. Mosquitoes thrive in areas of high…”
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11
Walking on water : Biolocomotion at the interface
Published in Annual review of fluid mechanics (01-01-2006)“…We consider the hydrodynamics of creatures capable of sustaining themselves on the water surface by means other than flotation. Particular attention is given…”
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12
Elephant trunks form joints to squeeze together small objects
Published in Journal of the Royal Society interface (01-10-2018)“…Wild African elephants are voracious eaters, consuming 180 g of food per minute. One of their methods for eating at this speed is to sweep food into a pile and…”
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13
The hydrodynamics of water strider locomotion
Published in Nature (07-08-2003)“…Water striders Gerridae are insects of characteristic length 1 cm and weight 10 dynes that reside on the surface of ponds, rivers, and the open ocean. Their…”
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14
Fire ants actively control spacing and orientation within self-assemblages
Published in Journal of experimental biology (15-06-2014)“…To overcome obstacles and survive harsh environments, fire ants link their bodies together to form self-assemblages such as rafts, bridges and bivouacs. Such…”
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15
Metabolic scaling of fire ants (Solenopsis invicta) engaged in collective behaviors
Published in Biology open (15-02-2022)“…During flash floods, fire ants (Solenopsis invicta Buren) link their bodies together to build rafts to stay afloat, and towers to anchor onto floating…”
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16
Eyelashes divert airflow to protect the eye
Published in Journal of the Royal Society interface (06-04-2015)“…Eyelashes are ubiquitous, although their function has long remained a mystery. In this study, we elucidate the aerodynamic benefits of eyelashes. Through…”
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17
Fire ants perpetually rebuild sinking towers
Published in Royal Society open science (01-07-2017)“…In the aftermath of a flood, fire ants, Solenopsis invicta, cluster into temporary encampments. The encampments can contain hundreds of thousands of ants and…”
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18
ForageFeeder: A low-cost open source feeder for randomly distributing food
Published in HardwareX (01-06-2023)“…Automated feeders have long fed mice, livestock, and poultry, but are incapable of feeding zoo animals such as gorillas. In captivity, gorillas eat cut…”
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Quantitative assessment of automated purification and concentration of E. coli bacteria
Published in SLAS technology (01-08-2023)“…Automated methods for rapidly purifying and concentrating bacteria from environmental interferents are needed in next-generation applications for anything from…”
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20
Friction enhancement in concertina locomotion of snakes
Published in Journal of the Royal Society interface (07-11-2012)“…Narrow crevices are challenging terrain for most organisms and biomimetic robots. Snakes move through crevices using sequential folding and unfolding of their…”
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