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Ultrasound isn’t just for images. Sonogenetics and other promising technologies let researchers use focused sound waves to control genes and entire cells deep in the tissues of living animals, without surgery.
In an evolving branch of forensic science, genealogists help solve crimes, sometimes identifying suspects with the DNA of distant relatives they’ve never met. As cold cases yield, concerns about privacy issues persist.
Genetic advances may make it possible to grow transplantable tissues in other species. That could solve immunity and availability issues, but raises ethical concerns.
It all starts with a community teeming with yeasts and bacteria — but what’s really happening? Scientists peer into those jars on the kitchen counter to find out.
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