Stock market network reveals investor clustering

(PhysOrg.com) -- The stock price of a company continuously changes, going up or down depending on the collective activity of a large number of investors. Although this process seems fairly straightforward, no one fully understands ...

How early farmers in Scandinavia overcame climate change

As the world faces the challenges of present-day climate change, scientific inquiry is, among other objectives, exploring how human societies navigate environmental variations at large. Investigating the past provides valuable ...

Modeling superfast processes in organic solar cell material

In organic solar cells, carbon-based polymers convert light into charges that are passed to an acceptor. This type of material has great potential, but to unlock this, a better understanding is needed of the way in which ...

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