March 17, 2020, 8:41 p.m.
tutti - social network
Tutti is the simplest social network on internet. Here you can make friends, create communities, sell things, make surveys, comment and share stuff.
Researchers have shown for the first time in an experiment that also non-human animals exchange different kind of favors. Humans commonly trade different commodities, which is considered a core competence of our species. However, this capacity is not exclusively human as Norway rats exchange different commodities, too. They strictly follow the principle "tit for tat" -- even when paying with different currencies, such as grooming or food provisioning.https://www.sciencedaily.com/releases/2018/02/180201173109.htm
Photograph: Mike Segar/Reuters
Todavía no he oído ni un aplauso por esos camioneros que están jugandose la vida por la carretera sin donde comer tomar un café,ir al baño ,ducharse. Y proveer a los Españoles para que no les falte de nada.
