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Each week Science Friday, hosted by Ira Flatow, focuses on science topics that are in the news and brings an educated, balanced discussion to bear on the scientific issues at hand.

Science Friday

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The latest news and information from the world's most respected news source. BBC World Service delivers up-to-the-minute news, expert analysis, commentary, features and interviews.
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BBC World Service

The latest news and information from the world's most respected news source. BBC World Service delivers up-to-the-minute news, expert analysis, commentary, features and interviews.

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The Pulse

The Pulse Episode Archive

The Pulse
Science

Inside the Dramatic Race to Decode the Human Genome

A look back at the cut-throat competition that led to the historic unveiling of the decoded human genome.

Air Date: June 26, 2025

Listen 49:34
Old guy consoling a woman with a hug
The Pulse
Science

Why Friends Are Good for Your Brain

Our brains are wired for connection, and researchers are learning friendships play a vital role in keeping us healthy.

Air Date: June 20, 2025

Listen 49:34
The Pulse
Science

Why We’re Hardwired for Revenge

We talk with lawyer-turned-researcher James Kimmel about his new book, "The Science of Revenge: Understanding the World's Deadliest Addiction — and How to Overcome It."

Air Date: June 13, 2025

Listen 49:34
Conceptual image of human brain in colorful splashes
The Pulse
Science

Exploring the Secrets of Human Creativity

We explore what creativity is, how it works, and how we can use it in unexpected ways.

Air Date: June 6, 2025

Listen 49:10
The Pulse
Science

Sharks — From Fear to Fascination

On this rebroadcast of The Pulse: Before dinosaurs, before trees — even before Saturn had its rings – there were sharks. The fierce p ...

Air Date: May 30, 2025

Listen 48:54
Uncover The Facts appearing behind torn brown paper.
** Note: Shallow depth of field
The Pulse
Science

What It Takes to Prove the Truth

In the “post-truth era,” we explore standards of proof, evidence, and how we know what we think we know.

Air Date: May 23, 2025

Listen 49:14
Save Download Preview Hacker using laptop. Hacking the Internet.
The Pulse
Science

Cybercrime and How Hackers Prey on Human Nature

We hear about the virus that ushered in the age of social engineering attacks, the history of cybercrime, and what led one man to become a hacker.

Air Date: May 16, 2025

Listen 54:26
Mother and Daughters Sitting with Laptop
The Pulse

Lightening the Load of Motherhood

From juggling kids and work — motherhood can feel impossible. We look at how to lighten the load of being a mom.

Air Date: May 9, 2025

Listen 48:52
The Pulse
Health

The Life-Changing Power of Lifting Weights

We explore the proven and emerging benefits of pumping iron, and why so many people say it’s changing their lives.

Air Date: May 2, 2025

Listen 51:39
A U.S. Infantryman of the 25th division balances a M60 machine gun on his shoulder as he rushes into position behind smoke rising from a burning village near Duc Pho, about 325 miles North of Saigon on July 31, 1967. Air strikes had been called in on the village when elements of the division met resistance during a search and clear operation. (AP Photo)
The Pulse
Health

50 Years Later: The Lasting Impact of the Vietnam War

On this episode, we mark the 50th anniversary of the war’s end with stories that explore its lasting impact.

Air Date: April 25, 2025

Listen 49:03
Bonnie Tsui is a journalist, best-selling author, swimmer and a surfer. Her new book is “On Muscle: The Stuff That Moves Us and Why it Matters.” (Image courtesy of Bonnie Tsui)
The Pulse
Health

Finding Strength and Beauty in Muscles

Best-selling author Bonnie Tsui joins us for a conversation about strength, muscles, art and being comfortable in one’s own body, especially as we age.

Air Date: April 23, 2025

Listen 34:57
Sad depressed woman sitting on bench in raincoat
The Pulse
Health

Loneliness and How to Rekindle Social Connection

On this episode, we look to understand why so many people are so lonely, and find out how we can stay better connected.

Air Date: April 18, 2025

Listen 50:00
CHIANG MAI, THAILAND - Apr.08,2019: Woman holding Apple iPhone 6S Rose Gold with Youtube apps on screen. YouTube is the popular online video sharing website.
The Pulse
Science

The Rise of YouTube and How It’s Changed Our Lives

On this episode, we mark the 20th anniversary of YouTube with an exploration of the platform’s rise, evolution, and impact on our lives.

Air Date: April 11, 2025

Listen 48:34
Businessman dreaming about rest pop art retro style. Beach sea tourism tropics. Office work business concept. Vacation travel joy
The Pulse
Health

In Search of Work-Life Balance

A look at work-life balance — how we define it and how we achieve it… or if we even need to.

Air Date: April 4, 2025

Listen 48:43
The Pulse
Science

Biomimicry: What Nature Can Teach us about Engineering and Design

We explore the field of biomimicry, and how everyone from architects to engineers to medical researchers are drawing inspiration from nature.

Air Date: March 28, 2025

Listen 48:51
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