Rodrigo Santos Andrade
Rodrigo Santos Andrade
I study polling failures – this time, pollsters were mostly right, if not precise Ads
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comment0 event November 4, 2026 timer 20:10
I study polling failures – this time, pollsters were mostly right, if not precise

Polls had signaled important gains for Democrats ahead of Election Day, in the most reassuring performance since accurately anticipating Barack Obama’s presidential election in 2008.

Rodrigo Santos Andrade
Rodrigo Santos Andrade
Why one positive E. coli sample put a Pittsburgh-area community under a boil-water advisory Ads
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comment0 event timer 18:53
Why one positive E. coli sample put a Pittsburgh-area community under a boil-water advisory

A boil-water advisory in Beaver County has residents and schools adjusting. Water researchers explain what E. coli in tap water means and how utilities make it safe.

Rodrigo Santos Andrade
Rodrigo Santos Andrade
NASA’s Swift telescope has burned up, months after a robot sent to save it failed – here’s why it’s so hard to boost a satellite Ads
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comment0 event timer 17:09
NASA’s Swift telescope has burned up, months after a robot sent to save it failed – here’s why it’s so hard to boost a satellite

If you bump a spacecraft in orbit, it may start tumbling uncontrollably. To save a falling satellite, the rescuer must be incredibly steady and precise.

Rodrigo Santos Andrade
Rodrigo Santos Andrade
Pennsylvania Democrats now have power to push forward on election reform, marijuana legalization and minimum wage increases Ads
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comment0 event timer 17:01
Pennsylvania Democrats now have power to push forward on election reform, marijuana legalization and minimum wage increases

Pennsylvania has had a split legislature since 2000. No more.