Caudo-rostral whole-field visual motion elicits forward locomotion in many organisms, including larval zebrafish. Here, we investigate the dependence on the latency to initiate this forward swimming as a function of the speed of the visual motion. We show that latency is highly dependent on speed for slow […]
Using statistical and biological modeling, scientists have discovered that several species can be affected by Covid. Scientists showed that the receptor for the virus, angiotensin converting enzyme-2, or ACE2, is present in many other species other than human. Western lowland gorilla, Sumatran orangutan, chimpanzee, and bonobo are especially at risk.
In this study, novel fabrication and testing methods were developed and used to efficiently compare 3D bioinspired surface designs to existing piston liner surface topographies. Surface designs inspired by frog toes were fabricated using two-photon lithography, and their frictional performance is compared to […]
Portable vapor sensors or ‘sniffers’ have obvious applications in military, industrial, and gas-utility field operations. But conventional sensors lack the resolution and species selectivity of high-end laboratory instrumentation, which can identify and quantify unknowns down to part-per-billion or even part-per-trillion levels in complex mixtures containing hundreds or thousands of volatiles. Although […]
Recently, it has been shown that animals such as jumping spiders, birds, and butterflies have evolved ultra-black coloration comparable to the blackest synthetic materials. Of these, certain papilionid butterflies have reflectances approaching 0.2%, resulting from a polydisperse honeycomb structure. It is unknown if other ultra-black butterflies use this mechanism. Here, we examine a phylogenetically diverse […]
Trap-jaw ants are infamous for having one of the strongest bites among all animals, but we didn’t really understand how they evolved from more traditional jaws. A new study looking at their evolutionary history found that the distinctive mechanism behind trap-jaws has evolved independently several times across the globe. Unlike normal […]
To manoeuvre in air, flying animals produce asymmetric flapping between contralateral wings. Unlike the adjustable vertebrate wings, insect wings lack intrinsic musculature, preventing active control over wing shape during flight. However, the wings elastically deform as a result of aerodynamic and inertial forces generated by the flapping […]
Article: https://www.the-scientist.com/the-literature/petunias-waxy-cuticle-regulates-the-plants-sweet-smell-68376?_ga=2.217703326.902230955.1613580877-954214786.1613580877 Paper: https://www.nature.com/articles/s41589-020-00670-w.epdf?sharing_token=xQ4Vn7ZFjCwwYKni118aU9RgN0jAjWel9jnR3ZoTv0O6E76TZsNQfbKhEzBXu2dbng2jM_-3Vcx7pH3zb_EeOSJGQoB_XzzvAxUkxdqpkla1ByZjCKuaymnHTdhItg8Zq9wbcrl-GguP9Bl4f1ZhA6kUxSjp3apNq4UcwOIdY4s This paper details the biological discovery that altering the “cuticle” of a petunia flower (the waxy layer from where volatile compounds [VOCs] exit a cell) actually affects the amount of VOCs released. This means that we now know that changing the cuticle of flowers by physical or […]
If you ever find yourself stuck in a disaster zone, your rescuer could take on some unexpected forms, like a drone or a cyborg cockroach – and now we can add a soft robotic snake to the mix. A Stanford team has developed a flexible robot that grows like a vine, […]
For lithium-air batteries, one important factor affecting the overall efficiency, rate performance, and energy provided is how efficiently oxygen is transported to and from the electrode surface. In this process, oxygen gas from the air must diffuse into the battery and to the electrode where it will react with lithium ions and electrons. If this […]
News, Snakes move across sand with a unique skin
Despite having a similar body shape and structure, not all snakes move in the same way. Most, when they move from A to B, slither head-first. But a minority of them (especially desert snakes) do it differently: they slither with their mid-sections first, slithering sideways across the loose sand. Now, researchers […]
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I imagine that the neurological circuits underlying these processes are governed by both 2d spacing maps with their brains as…
to reduce the impact of car accidents, it may be possible to study the force diverting physics of cockroaches to…
you see this type of head-bobbing stability in many avian creatures related to pigeons like chickens. the head ability to…
not like they taught horses how to run! this is an example of convergent evolution where both sea creatures and…
The brain functions in a similar way with neuronal connections. our brains are able to utilize the multiplicity of connections…