Activity for Lutro
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Feasibility of organisms with translucent upper craniums After reading this post about a sort of translucent biological visor I was inspired to incorporate a similar design. I'd like to create an organism with a translucent upper cranium, serving no purpose beyond aesthetic value. It would likely have resulted from sexual selection, directly displaying the... (more) |
— | over 6 years ago |
| Question | — |
What adaptations would an alien have to chew food in a humanoid manner without a tongue? On Earth, most animals have tongues, albeit in many forms. This is due to the evolution from a common ancestor. Tongues are not necessary for communication, be it auditory or otherwise. However, they are essential for eating in a humanoid fashion, they keep food between the teeth during the process o... (more) |
— | over 6 years ago |
| Question | — |
Could a semi-permeable membrane, which releases CO2 but contains O2 and nitrogen, biologically exist? I'm trying to create an alien which has external lungs. Air can be inhaled normally however, is it plausible that the material the lungs are made of is semi-permeable. Containing the nitrogen and oxygen while allowing the carbon dioxide to diffuse outward? Since nitrogen and oxygen are smaller than ... (more) |
— | over 6 years ago |
| Question | — |
Could an organism see in infrared light as well as normal light, using its brain to process what it sees into a single image? Tl;dr: Humans create a composite image out out what each of their eyes see Humans process the two images into one using their visual cortex Humans can't see infrared because of a lack of photoreceptors in their eyes Visible light wavelength is 400-700nm Near infrared (NIR) wavelength is 750-1500nm... (more) |
— | over 6 years ago |
| Question | — |
Could a star half as hot as our sun maintain similar surface temperatures of planets orbiting it if it was half the distance? I'm trying to build a world that is orbiting a red giant but sustains life similarly to the conditions of earth.Since red giants are about half the temperature (3000 kelvin) of our sun (6000 kelvin) life could not be sustained, at least not to the same extent. (I'm trying to keep the surface tempera... (more) |
— | over 6 years ago |
| Question | — |
Physiological adaptation of life on a planet orbiting a red giant. Let's say there exists an Earth-like exoplanet which orbits a normal star, with a similar process regarding the evolution of life on earth, yet the star became a red giant during said evolution. Assuming the exoplanet was in the goldilocks zone during and after the transition from normal star to red... (more) |
— | over 6 years ago |
| Question | — |
Muscle mass required for organisms to jump If an organism weighing roughly 20kg existed (same weight as a dog), similar also to the structural composition a dog. How much muscle mass would be required within those legs for it to jump 20m? Dogs can jump up to 1.8m, their rear legs being around 10cm in diameter. Assuming the legs are half mus... (more) |
— | over 6 years ago |
| Question | — |
Upscaling Insects and the effect resulting upon their biology Assuming the information in this video by the Cambridge University is correct, Planthoppers can jump as far as a meter. Their size ranges from 1cm in cooler climates to 5cm in the tropics. With disregard to further external influences such as diminishing returns, in theory they would be able to ju... (more) |
— | over 6 years ago |