Dave Limp, Senior Vice President of Amazon Devices, introduces a redesigned echo dot. Photo: Stephen Brashear/Getty Images

The way newscasters speak is unmistakeable, with their exaggerated modulations and drawn-out pauses. And now, Amazon has taught Alexa, its voice assistant, to approximate the authoritative intonation.

Details: The company used machine learning to detect patterns in recordings of broadcasters’ speech and incorporated them into a new voice for Alexa, reports The Verge’s James Vincent. The company is hoping Alexa's new voice will make it more pleasant for consumers to listen to news read out loud by a computer.

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Updated 1 hour ago - Politics & Policy

Coronavirus dashboard

Illustration: Eniola Odetunde/Axios

  1. Global: Total confirmed cases as of 7:30 p.m. ET: 18,982,658 — Total deaths: 712,266— Total recoveries — 11,477,642Map.
  2. U.S.: Total confirmed cases as of 7:30 p.m. ET: 4,873,747 — Total deaths: 159,931 — Total recoveries: 1,598,624 — Total tests: 59,652,675Map.
  3. Politics: Pelosi rips GOP over stimulus negotiations: "Perhaps you mistook them for somebody who gives a damn" — Ohio Gov. Mike DeWine tests positive.
  4. Public health: Majority of Americans say states reopened too quicklyFauci says task force will examine aerosolized spread.
  5. Business: The health care sector imploded in Q2More farmers are declaring bankruptcyJuly's jobs report could be an inflection point for the recovery.
  6. Sports: Where college football's biggest conferences stand on playing.
1 hour ago - World

Nuclear free-for-all: The arms control era may be ending

Illustration: Aïda Amer/Axios

The mushroom clouds over Hiroshima and Nagasaki have remained unreplicated for 75 years in part because the U.S. and Soviet Union — after peering over the ledge into nuclear armageddon — began to negotiate.

Why it matters: The arms control era that began after the Cuban Missile Crisis may now be coming to a close. The next phase could be a nuclear free-for-all.

Pelosi, Schumer demand postmaster general reverse USPS cuts ahead of election

Schumer and Pelosi. Photo: Alex Wong/Getty Images

House Speaker Nancy Pelosi (D-Calif.) and Senate Minority Leader Chuck Schumer sent a letter to Postmaster General Louis DeJoy on Thursday calling for the recent Trump appointee to reverse operational changes to the U.S. Postal Service that "threaten the timely delivery of mail" ahead of the 2020 election.

Why it matters: U.S. mail and election infrastructure are facing a test like no other this November, with a record-breaking number of mail-in ballots expected as Americans attempt to vote in the midst of a pandemic.