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- SCIENTIFIC AMERICAN9 HOURS AGO

Spiders build giant decoys to scare predators from webs
Spiders scare off predators by seemingly supersizing themselves
- SCIENTIFIC AMERICAN9 HOURS AGO

Meet ‘Baseodiscus the Eldest,’ a record-setting ribbon worm more than 27 years old
Ribbon worms can grow to enormous lengths, and one named Baseodiscus the Eldest is showing how little we know about them—including how long they live
- SCIENTIFIC AMERICAN10 HOURS AGO

EPA rule sparks air quality concerns, cancer survival hits record high, and NASA executes historic space evacuation
Why the EPA's air pollution rule change could make the air dirtier, how cancer survival hit a record-high, and what we know about the first-ever medical evacuation from the International Space Station
- SCIENTIFIC AMERICAN5 HOURS AGO

New brain training study could help explain the placebo effect
Positive thinking may boost immune response from vaccines, new brain training study shows
- SCIENTIFIC AMERICAN5 HOURS AGO

First-ever flexible tool use seen in a cow suggests livestock are smarter than believed
A pet cow named Veronika uses tools in a surprisingly sophisticated way—possibly because she has been allowed to live her best life