ResearchGate raises $52.6M for its social research network for scientists | TechCrunch

"As LinkedIn continues to reign as the world’s largest social network for the wider working world, we are seeing the rise of alternatives that are besting and beating it in specific verticals. ResearchGate, a Berlin-based startup that provides a professional network for the scientific community to connect with each other to share and discuss research, is today announcing that it raised $52.6 in a Series D round of funding, bringing the total raised to over $100 million."