Earless moths have acoustic camouflage that protects them from bats

Earless moths have a special pattern on their wings for absorbing sound. It acts as protection from bats, which use echolocation to find their prey Source: https://www.newscientist.com/article/2260621-earless-moths-have-acoustic-camouflage-that-protects-them-from-bats/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

YouTube Bans Thousands of Chinese Accounts To Combat ‘Coordinated Influence Operations’

An anonymous reader quotes a report from TechCrunch: YouTube has banned a large number of Chinese accounts it said were engaging in “coordinated influence operations” on political issues, the company announced today; 2,596 accounts from China alone were taken down from April to June, compared with 277 in the first three months of 2020. “These channels mostly uploaded spammy, non-political content,…

Why Glass Frogs Have See-Through Skin Becomes Clear In Study

The mystery of why glass frogs have see-through skin has been solved, scientists say: the unusual feature is a type of camouflage. The Guardian reports: Glass frogs are found in tropical Central and South America, and get their name from their skin. However, the frogs are not truly transparent but translucent, with the skin on their backs typically a vivid green…

An AI trained to spot hidden objects can see through camouflage

An AI trained to spot objects hidden against a background is able to see through camouflage and outperforms existing algorithms at the task Source: https://www.newscientist.com/article/2243247-an-ai-trained-to-spot-hidden-objects-can-see-through-camouflage/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…