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Hosted by Jad Abumrad and Robert Krulwich, Radiolab is a show about curiosity. Where sound illuminates ideas, and the boundaries blur between science, philosophy, and human experience.

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A journey through fascinating ideas, astonishing inventions, and new ways to think and create. Based on riveting TEDTalks from the world's most remarkable minds.

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Archives: Articles

Birds on a wire highlight Wilmington's unconventional mural for America's 250th birthday. (Cris Barrish/WHYY)
Arts & Entertainment

‘Common threads we share’: Wilmington mural for America’s 250th features birds on a wire and subtle tribute to Bob Marley

Muralist Christian Kanienberg says he’s “more interested in creating pieces of art that just happen to be murals that are conversation starters.”

14 minutes ago

Striking PECO workers picket outside the company headquarters
Money

PECO workers strike on July Fourth for the first time in the utility’s history

The strike centers mainly on wages and benefits. PECO says it has “comprehensive plans” to maintain service during the strike.

3 hours ago

Tens of thousands of people packed Wawa Welcome America's Pops on Independence concert
Arts & Entertainment

Philly POPS performs at Independence Park with Idina Menzel, even as heat wave forces cancellation of other July 4 events

The city’s free July Fourth concert on the Parkway is still on. Organizers say Saturday's star-studded show will happen rain or shine.

16 hours ago

At the National Constitution Center, an 1833 copy of the Declaration of Independence
Politics & Policy

Semiquin- what? Why Independence Day is celebrated on July 4

The Continental Congress voted for independence two days earlier, but the Declaration transformed July 4 into a lasting national symbol.

20 hours ago

measles under a microscope
Health

2 new measles cases reported in Chester County as regional Pennsylvania outbreak grows

A measles outbreak that began in April now includes cases in seven Pennsylvania counties as health officials try to increase vaccination rates.

21 hours ago

People in the audience at the National Constitution Center watch Pope Leo XIV's video remarks on a large screen.
Community
Billy Penn

Pope Leo praises America’s welcoming of immigrants in livestreamed remarks

The first U.S.-born pope accepted an award from Philly’s National Constitution Center

23 hours ago

Members of the Massachusetts Army 1775 group march along Independence Mall in Philadelphia on July 3, 2026
Community

Extreme heat forced Philly to cancel its 250th parade. Tourists flocked to Independence Mall anyway

Parade organizers said they were “heartbroken” for thousands of participants who traveled from as far away as Italy to take part.

23 hours ago

Spectators cheered and yelled as Union Pacific's Big Boy No. 4014 arrived
Community

Big Boy sighting: World’s largest operating steam locomotive chugs through Pottstown

Union Pacific’s Big Boy No. 4014 locomotive made a pit stop in Pottstown to observe America’s 250th birthday.

1 day ago

Listen 1:09
Jesse Smith, Science History Institute director, explains how fireworks are packed
Community

From bamboo sticks to modern chemistry: A history of fireworks on display at the Science History Institute in Old City

“Flash! Bang! Boom! A History of Fireworks” tells the story of fireworks from the earliest Chinese inventions to today’s choreographed pyrotechnic displays.

1 day ago

Listen 1:29
Shaun Bailey, Dustin Burrows and Ashley Burrows pose for a selfie photo.
Arts & Entertainment

For Philadelphia’s Heavenly Bodies, music is more than a passion. It’s a necessity

Built on family ties, lifelong friendship and a shared musical obsession, the trio has become a fixture of Philadelphia's experimental music scene.

2 days ago

Members of the U.S. Conference of Mayors march through the city's historic district
Community

Historic ‘March of America’s Mayors’ commemorates independence and celebrates local democracy

Local leaders from across the country marched from Independence Mall to the Museum of the American Revolution, highlighting the role of cities in sustaining democracy.

2 days ago

Protesters are seen through the glass of an ICE office in Philadelphia
Courts & Law

Philadelphia can’t ban ICE agents from masking, federal judge rules

The order prevents Philadelphia from enforcing the law pending the outcome of the Trump administration’s lawsuit against the city.

2 days ago

Alisa Wailoo speaking from the stage of the church.
Community

Interfaith vigil at Philadelphia’s Christ Church calls for end to ICE raids

Organizers read out the names of the more than 50 people who have died in ICE custody since President Donald Trump took office in January 2025.

2 days ago

Listen 1:37
Visitors wait in line on Independence Mall to see the Liberty Bell on Thursday, July 2, 2026.
Weather

Philly-area heat wave could push electricity demand to record levels

The dangerous heat is accelerating air conditioner use. Data centers could be directed to use their own backup power.

2 days ago

An American flag flutters as fireworks rain down during the July Fourth fireworks display at the Philadelphia Museum of Art. (Jonathan Wilson for WHYY)
Things To Do
Arts & Entertainment

Fourth of July celebrations, Paul Simon, ‘The Sound of America’ Culture Fest, Molly Tuttle and more in this week’s ‘Things To Do’

July 2 - July 5: DE250 Celebration in Del., July Fourth events in Philly and block party in South Jersey are among weekend event highlights.

2 days ago

Listen 4:59
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Latest News

  • ‘Common threads we share’: Wilmington mural for America’s 250th features birds on a wire and subtle tribute to Bob Marley

    14 minutes ago

  • PECO workers strike on July Fourth for the first time in the utility’s history

    3 hours ago

  • Philly POPS performs at Independence Park with Idina Menzel, even as heat wave forces cancellation of other July 4 events

    16 hours ago

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