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AnimalsGray wolves scare deer from roads, reducing dangerous collisions
The predators use roads as travel corridors, creating “a landscape of fear” that keeps deer away and saves millions of dollars a year, a study finds.
By Jack J. Lee -
GeneticsA gene-based therapy partially restored a blind man’s vision
Light-activated proteins inserted in eye nerve cells and special goggles help the man, who lost his sight due to retinitis pigmentosa, see objects.
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Health & MedicineThe CDC’s changes to mask guidelines raised questions. Here are 6 answers
Experts weigh in on the U.S. CDC’s recommendation fully vaccinated individuals removing masks indoors and what it means for the pandemic’s future.