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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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TED Radio Hour

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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Urban Planning

North Philadelphia’s Logan Triangle once held about 1,000 homes that were demolished in the 1980s. (Kimberly Paynter/WHYY)
PlanPhilly
Housing
Philadelphia

Philly’s Logan Triangle, infamous for sinking homes, could soon become a place that builds them

As part of her signature housing plan, Parker wants to bring homebuilding factories to underutilized sites in Philadelphia.

4 months ago

Listen 0:59
The front facade of an old Philadelphia rowhouse
PlanPhilly
Energy
History
Philadelphia
Preservation

From firewood to solar: This Philly rowhouse has seen over 250 years of energy transitions

A rowhouse built around 1760 in Old City was once heated with firewood. Now, it has solar panels on its roof.

4 months ago

Listen 1:22
The Brith Sholom House apartment building
Housing
Philadelphia

PHA, building trades unions strike deal to rebuild shuttered Brith Sholom House

PHA announced a $100 million agreement to restore the apartment tower in Wynnefield Heights, creating “deeply affordable” senior housing and hundreds of jobs.

4 months ago

Listen 1:18
Rental homes in Reading, Pennsylvania
PlanPhilly
Housing
Pennsylvania
Philadelphia

New Pennsylvania loan program seeks to expand affordable rentals for at-risk populations

The $35 million initiative comes courtesy of the American Rescue Plan. The funding will be distributed by the Pennsylvania Housing Finance Agency.

4 months ago

Listen 1:07
Democrat Mikie Sherrill smiles before the final debate in the New Jersey governor's race, Wednesday, Oct. 8, 2025, in New Brunswick, N.J.
Government
Housing
New Jersey

Mikie Sherrill wants to convert New Jersey’s underused office parks and strip malls to affordable homes

Garden State residents spend more than 30% of their income on housing. The newly elected governor wants to make the state more affordable.

4 months ago

Listen 1:06
Jovian Patterson standing next to a raised bed filled with greens
PlanPhilly
Outdoors
Philadelphia

‘Strawberries to collard greens’: The Original American Foundation grows free food in Kingsessing

Founders of the Original American Foundation say their goals are to lower food costs for neighbors and prevent gentrification.

4 months ago

Listen 0:55
Las tiendas de campaña cubren los terrenos de Christina Park
Delaware
Homelessness

“Un lugar al que pertenecer”: el alcalde de Wilmington encarga a una organización local que trabaja con personas sin hogar la gestión de un campamento de personas sin techo en el este de la ciudad.

Friendship House (“La Casa de la Amistad”) es una organización comunitaria de Wilmington que ayuda a las personas sin hogar a encontrar estabilidad y recursos.

4 months ago

An aerial view of residential streets in West Philadelphia
PlanPhilly
Government
Housing
Philadelphia

As Philly City Council returns, here’s what to watch on affordable housing, tenant protections and tax abatements

Affordable housing will remain a top issue in 2026 as lawmakers aim to help renters and expand supply amid an ongoing crisis.

4 months ago

Listen 1:00
A rendering of what South Broad Street would look like facing North, with large sections with trees and bushes on either side of the street and the median.
Architecture & Design
Performing Arts
Philadelphia

How Philly’s Avenue of the Arts will be transformed into a green space

South Broad Street in Center City begins a small step toward a 10-year, $150 million greening project.

4 months ago

Listen 1:05
Rich Lazer of the Philadelphia Parking Authority
Philadelphia
Transportation

Philly bus terminal moving forward on Filbert Street

Up to $2 million will be spent on the former Greyhound terminal to make it clean and attractive for people coming into and leaving town.

4 months ago

Listen 0:58
a trolley at the intersection of Baltimore Avenue, 58th Street and Cobbs Creek Parkway
PlanPhilly
Philadelphia
Transportation

‘Going to make my life much better’: SEPTA trolley riders react to tunnel reopening

The trolley tunnel has been closed since November. It reopened Monday, but will close again for shorter periods in January and February.

4 months ago

A 2018 file photo shows garbage piled in front of an apartment complex in Lower Germantown.
PlanPhilly
Housing
Philadelphia

$84 million reboot: PHA seeks to transform vacant Germantown properties into 153 affordable rentals

The properties were part of Germantown Settlement’s vast real estate portfolio before the social services nonprofit was undone by scandal.

4 months ago

Listen 0:52
A rendering of the revamped Westpark Apartments in West Philadelphia
PlanPhilly
Housing
Philadelphia

Construction begins at Philly’s Westpark Apartments site

The Philadelphia Housing Authority project covers 1,000 units and is expected to cost upwards of $500 million to complete.

5 months ago

Trolleys and rail cars lined up next to each other at the 69th Street Transportation Center
Philadelphia
Transportation

SEPTA says trolley wire replacements are done, estimates tunnel will reopen in ‘weeks’

With the trolley tunnel from West Philly to Center City closed the past two months, roughly 60,000 trolley riders have relied on the El or a shuttle.

5 months ago

Listen 0:50
Tents cover the grounds of Christina Park
Delaware
Homelessness

‘A place to belong’: Wilmington mayor taps local homeless organization to manage unhoused encampment on city’s east side

The Friendship House is a Wilmington community organization that helps homeless residents find stability and resources.

5 months ago

Listen 0:54
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