Iran is negotiating with a number of foreign companies to provide signaling systems for railway network, including high-speed Tehran-Tabriz railway, said a deputy head of Islamic Republic of Iran Railways (IRIR).
Do you talk to yourself? Don’t sweat it: Scientists said you’re not alone. And the ways in which you chatter to yourself, both in your head and out loud, are changing what neuroscientists know about the human brain.
World leaders meeting at the United Nations starting Monday will be trying to make progress on two intractable problems at the top of the global agenda — the biggest refugee crisis since World War II and the Syrian conflict now in its sixth year which has claimed over 300,000 lives.
To decide whether and where to move in the body, cells must read chemical signals in their environment. Individual cells do not act alone during this process, two new studies on mouse mammary tissue show. Instead, the cells make decisions collectively after exchanging information about the chemical messages they are receiving.
Iran's talks with leading plane manufacturers on purchasing new aircraft are continuing, said Minister of Roads and Urban Development Abbas Akhoundi following the postponement of President Hassan Rouhani's trip to Europe.
Brazilian President Dilma Rousseff has expressed readiness to negotiate with her critics following massive protests across the country, saying she will release an anti-corruption plan in the coming days.