ScienceDaily: Strange Science News |
- These geckos crash-land on rainforest trees but don't fall, thanks to their tails
- Brain-inspired memory device
- Highly dynamic sex chromosomes in cichlid fishes
- New molecular device has unprecedented reconfigurability reminiscent of brain plasticity
| These geckos crash-land on rainforest trees but don't fall, thanks to their tails Posted: 02 Sep 2021 09:51 AM PDT Many arboreal lizards leap and glide from tree to tree, but what if they can't glide to a gentle, four-point landing? Researchers documented many such leaps of the common house gecko, and found that they often hit trees headfirst and rebounded violently. Their recovery strategy -- grab on with the back feet and leverage their tail to prevent falling. The team created a soft robot with reactive tail that could replicate this previously unknown fall-arresting behavior. |
| Posted: 02 Sep 2021 09:50 AM PDT Many electronic devices today are dependent on semiconductor logic circuits based on switches hard-wired to perform predefined logic functions. Physicists have developed a novel molecular memristor, or an electronic memory device, that has exceptional memory reconfigurability. |
| Highly dynamic sex chromosomes in cichlid fishes Posted: 02 Sep 2021 09:49 AM PDT The cichlids of Lake Tanganyika in Africa are highly diverse -- including with regard to sex chromosomes. These have changed extremely frequently in the course of the evolution of these fish and, depending on the species, can be of the type XY or ZW. |
| New molecular device has unprecedented reconfigurability reminiscent of brain plasticity Posted: 01 Sep 2021 04:14 PM PDT Researchers describe a novel molecular device with exceptional computing prowess. Reminiscent of the plasticity of connections in the human brain, the device can be reconfigured on the fly for different computational tasks by simply changing applied voltages. Furthermore, like nerve cells can store memories, the same device can also retain information for future retrieval and processing. |
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