Brett Dahlberg
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The coronavirus is spreading so fast that cases are outpacing the contact-tracing capacities of some local health departments. Some have asked people who test positive to do their own contact tracing.
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As cities weather the first blasts of excessive summer heat, officials weigh the benefits of opening cooling centers and spray parks against the risks of letting people gather in public spaces.
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Intersection art makes streets more inviting and can remind motorists to respect crosswalks and bike lanes. But the federal government says the designs can also be distracting.