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Fossil Friday

This week on Fossil Friday, we have a lovely specimen.

Plant -- or not a plant?

The symmetry, the quality of the preservation: I think it’s quite beautiful. To deliberately confuse you, I’ve removed all reference to scale. How big is it? I won’t tell you. Looks like a plant? Maybe. I’m being cagey on this one. The only clue I’ll give you is that this fossil is from the Pennsylvanian Period (218–399 million years ago, give or take). The first person to identify it wins bragging rights for the week!

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Real competitors enhance thrill of auctions

The thrill is part of the game—whoever waits for his bid to be accepted on online auction platforms, feels the excitement in the bidding war for the object of desire. The heart beats faster, palms start to sweat. Physiological measurement methods of researchers of Karlsruhe Institute of Technology now reveal the influence of emotions on the behavior of users of electronic markets.

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