18:I[66739,["/_next/static/chunks/0u0nyy7wb9me2.js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i","/_next/static/chunks/05hx6kuf6-oy4.js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i","/_next/static/chunks/12hmyxte1w1dw.js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i","/_next/static/chunks/166.u_60qj09..js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i","/_next/static/chunks/0g9_wl34k-6l4.js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i","/_next/static/chunks/06dn~uer6.43l.js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i"],"default"] 1a:I[38632,["/_next/static/chunks/0qqtp3r0h7kah.js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i","/_next/static/chunks/0iukvycbd42rl.js?dpl=dpl_EVxQmm5ee6SfSwpTLEi7dkcqj48i"],"IconMark"] 19:T477,Hot weather isn’t just an inconvenience. It’s killing thousands more Americans than show up in official records. That’s the finding from a new NPR investigation, in partnership with Boston University. And the way they came up with that new, better estimate of the true toll of heat is, of course, with science. This episode, we’ll bring you all the details – and chat about why getting good estimates could save lives.

Interested in more science-based investigations? Email us your question at shortwave@npr.org.

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A new investigation shows heat is even deadlier than we thought

Short Wave

A new investigation shows heat is even deadlier than we thought