Watch: What does it actually mean for Covid-19 to enter endemic stage? We break down 3 factors public health experts use to assess a virus
Daniela Hernandez extends her health and science reporting to cover a variety of relevant subjects from Covid-19 to climate change.Why do we feel anxious observing a daredevil hang from a rooftop ledge? WSJ’s Daniela Hernandez explains what exactly happens in your brain with this phenomenon and how it underpins human empathy. Photo composite: David FangIn lab experiments, neuroscientists have trained goldfish and rats to drive robots.
But these tests weren’t just party tricks. The goal? To widen our understanding of neuroplasticity -- the brain’s ability to adapt to new, unexpected challenges. Photo composite: David FangA new anti-tick vaccine that uses the same mRNA technology as Covid-19 vaccines could help prevent ticks from causing up to an estimated half a million Lyme disease cases each year. WSJ's Daniela Hernandez breaks down how it works.
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