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Hot weather can influence cognitive performance, according to new research. Young adults living in non-air-conditioned dorms during a heat wave performed worse on math and attention tests.

President Trump claims President Obama failed to respond to Russian interference in the 2016 election. A fact-check of those claims paints a more complicated picture.

Serena Williams is at Wimbledon today. NPR's Renee Montagne speaks with ESPN's Howard Bryant about that and the World Cup.

Years after New Englanders saw that acid rain caused by coal plants was killing red spruce trees, the trees are better. Researchers say the red spruce shows the positive impact of air pollution laws.

The bridge was part of a busy highway in the port city of Genoa in Northwest Italy. About a dozen vehicles were likely on the bridge when it collapsed, authorities say.

President Trump's ongoing battle with Turkey's president has two headstrong leaders taking an important alliance to the brink. It centers on on the case of a U.S. pastor in Turkey.

NPR's Ari Shapiro talks with Dr. Valerie Montgomery Rice, president and dean of the Morehouse School of Medicine, about the fact that black mothers have a higher mortality rate than white mothers.

Questions still remain about how a Horizon Air employee was able to steal a plane from Seattle-Tacoma International Airport.

David Greene checks in with David Wessel, director of the Hutchins Center at the Brookings Institution, for context and comment on President Trump's latest tweets on trade and the economy.

A feminist group in the Netherlands, where most streets are named for men, has added the names of prominent women to some streets to raise awareness. Santi van den Toom talks with Scott Simon.