Animal chemical signals shift after only four generations Relocated in small groups to experimental islands, lizards rapidly and repeatedly developed new chemical signals for communicating with each other. Free from the risk of predators and intent to attract potential mates, male lizards produce a novel chemical calling card, according toContinue Reading
When electronics need their own power sources, there are two basic options: batteries and harvesters. Batteries store energy internally, but are therefore heavy and have a limited supply. Harvesters, such as solar panels, collect energy from their environments. This gets around some of the downsides of batteries but introduces newContinue Reading
Facebook has deleted two popular groups promoting baseless conspiracy theories linking 5G towers to the coronavirus outbreak, however dozens of similar groups remain active. The “Stop 5G UK” and “Destroy 5G Save Our Children” pages, which together had more than 62,000 members, were removed following admin violations relating to Facebook’s policies about publicising crime. Other Facebook groups withContinue Reading