Physicists describe new type of aurora

For millennia, humans in the high latitudes have been enthralled by auroras—the northern and southern lights. Yet even after all that time, it appears the ethereal, dancing ribbons of light above Earth still hold some secrets.

New device delivers single cells in just one click

EPFL spin-off SEED Biosciences has developed a pipetting robot that can dispense individual cells one by one. Their innovation allows for enhanced reliability and traceability, and can save life-science researchers time and ...

Followers may tune out when municipalities tweet too much

Municipalities don't need to unleash a tweet storm to keep their citizens informed on the social network Twitter. In fact, according to Penn State researchers, municipalities that tweeted less-frequent, but more focused, ...

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