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Salmon’s secret superfood is smaller than a grain of salt

In northern California, salmon are more than just fish — they’re a cornerstone of tribal traditions, a driver of tourism and a sign of healthy rivers. So it may not come as a surprise that NAU and University of California Berkeley scientists working along the region’s Eel River have discovered a micro-scale nutrient factory that...

Science & Technology

Gigantic ‘letter S’ spotted on the sun just before a ‘dark eruption’ hurls a fiery shadow at Earth

A gigantic, backwards “letter S” recently appeared slap bang in the middle of the sun, moments before our home star unleashed a massive plume of plasma that later smashed into Earth, temporarily disrupting our planet’s magnetic field. The bizarre S-shaped structure, which bears a resemblance to the iconic symbol of Superman, took shape on Sept....

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‘Killer bees’ are back. Here’s what you should know

Yes, killer bees are back. But you shouldn’t panic, says Lewis Bartlett. First spotted in the US in the mid-1980s, the so-called “killer bee” created mass panic as it spread across the South. But was that fear justified? Originally crossbred to improve honeybee health in Brazil, the bee instead became incredibly defensive and was accidentally...