Lumos Labs said it had raised more than $70m since its foundation in 2006 by neuroscientists from Stanford University.

Lumos Labs, a US-based brain-training games developer behind the Lumosity website, has raised $31.5m in its series D round from a consortium led by Discovery Communications, a US-listed media group, as a new investor. Venture capital firms FirstMark Capital (formed out of hedge fund Pequot Capital’s ventures unit), Harrison Metal, Menlo Ventures and Norwest Venture…

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