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Sheila Watson works for a foundation that focuses on safe and environmentally sound mobility, supporting projects targeting access, emissions and safety.

Opening in May at the Frist Art Museum in Nashville, the exhibition will delve into the instrument’s myriad representations and stars who have played it.

Well before self-driving cars become a reality, there are simpler approaches that can make roads much safer.

Trading in your gas-busting vehicle for one with lower emissions doesn’t always reduce pollution. That’s prompting global efforts to establish second-use standards.

The Guggenheim will show the work of the conceptual artist who probes questions of identity.