July 4, 2025
In this archival show, undersea archaeologist Robert Ballard shares adventures from beneath the waves and his love for deep-sea exploration. Plus, research suggests that we share parts of our microbiome with people in our social networks beyond family members. And, a book uses science and the benefit of hindsight to figure out how to survive some of history’s biggest disasters.
8:29
Humans Might Be Able To Regrow Cartilage
Researchers found that the cartilage in our ankles might be able to turnover more easily compared to our hips and knees.
12:05
The Decision-Making Puzzle
What observing champion Tetris players can teach researchers about how the brain makes snap decisions.
17:00
Should Drug Companies Stop Pursuing Amyloid In Treatments For Alzheimer’s?
A look at some high profile drug failures, and where the industry may be heading next for treatment
16:38
How People Pollute The Workplace
When it comes to the air quality in your office, the problem…may be you.
24:47
Understanding The Trust (And Distrust) In Science
In her new book, Naomi Oreskes says we should trust science, but not for the reasons you might think.
Why Should We Trust Science?
Harvard professor Naomi Oreskes argues why the public should trust scientists—but not for the reason most of us think.
Botanists Explain The Chemical Roots Behind Your Favorite Bitters
You told us your favorite drinkable plant flavors. Three botanists tell the backstories of bitters, tinctures, and teas from around the world.
7:05
Egypt Is Building A Massive 1.8-Gigawatt Solar Park
The $4 billion Benban Solar Park will be the country’s first utility-scale solar power plant.
4:47
Growing Cannabis Could Lead To More Air Pollution
Growing cannabis has environmental impacts, like increased water and electricity use. But it might also contribute to air pollution.
17:24
Your Smart TV Is Watching You
Smart TVs join the ranks of websites and smartphone apps that collect and share your data.
17:26
You Are What You Cook
How cooking your food changes your microbiome—and what that could say about human evolution.
12:20
Climate Denial Sneaks Into A Federal Report
Buried in the appendix of a Bureau of Land Management report about Arctic oil development is the assertion by a bureau employee that “there is not a climate crisis.”
34:48
Food Failures: Rise Your Bread Baking Skills With Science
How gluten-free flours affect bread structure and how to keep your sourdough starter happy.
7:12
NASA To Launch An Eye In The Sky For Asteroids
The space agency plans to launch an infrared telescope to spot space rocks whizzing towards Earth.
4:45
After Global Cries For Climate Action, Silence From Big Polluters
The world’s biggest emitters—India, China, and the U.S.—had very little to contribute to the UN Climate Action Summit.
15:58
How Schrödinger’s Cat Became Schrödinger’s Cats
Physicist Sean Carroll discusses the “many worlds” view of quantum mechanics.
12:00
How Whales Evolved From Land To Water, Gene By Gene
Marine mammals like whales and dolphins lost the function of 85 genes in the transition from land to water.
34:10
The Bitter Truth: The Taste Of Biodiversity
These botanists want you to make your own cocktail bitters with ingredients you’ve never heard of.
17:24
The Latest IPCC Report: A Global Warning On Ice And Oceans
Ice and oceans worldwide are already being reshaped by a changing climate, affecting everything from weather to fisheries to coastal communities.
The Basics Of Bitters
Sure, bitters make cocktails taste great. But that’s just the start.