On Today's Podcast
How China Is Driving Down Electricity Costs With Renewables
China is reshaping its energy economy with renewables like wind and solar—and flooding the world with affordable solar technology.
Listen NowJanuary 23, 2026
An epidemiology study finds that variations in one gene play a major role in determining the risk of Alzheimer’s disease. Plus, X’s Grok AI is undressing users, but it’s just the tip of the iceberg with fake imagery online. What can we do about deepfakes? And, Louisiana communities continue collecting data on industrial pollution, despite a law restricting its use.
16:59
For These Robots, Sexism Isn’t The Problem
A researcher looking for gendered bias against robots found something else instead: We just don’t trust them at all.
16:59
Rethinking Our COVID-19 Testing Strategy
How might faster, cheaper tests help with better tracking of infectious COVID-19 patients?
Racial Injustice Is Increasing Chronic Disease In Black Americans
Systemic racism directly affects the health of marginalized communities, and it may be the cause of early health issues in Black Americans.
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Buscando microbios en el río Hirviente de Perú
En la Amazonía peruana, la bioquímica Rosa Vásquez Espinoza investiga las propiedades medicinales de los microbios que fluyen en el río sagrado.
Communal Eating With ‘Gastropod’
The science behind why sharing a meal means so much.
11:40
NYC Health Commissioner Steps Down After Butting Heads With Mayor
Plus more science news for the week, including the chemical linked to Beirut’s explosions.
17:00
This Peruvian Boiling River Holds More Than Meets The Eye
Scientists search for tiny but mighty bacteria with medical value.
19:37
Understanding Our Inevitable Cosmic Apocalypse
The universe will eventually end, writes cosmologist Katie Mack in her new book. But how? Will we get a cold lifeless soup, a bubble of doom, or matter tearing itself apart?
9:53
Making Day-Glo Glow More Brightly
Chemists find a way to make some of the brightest fluorescent objects yet.
16:36
Squid Gene-Editing Shows New Possibilities For Treating Genetic Diseases
A genetic breakthrough in squid research opens a new world for scientists.
Mapping Extreme Microbes In The Amazon’s Boiling River
Deep in the Peruvian Amazon, biochemist Rosa Vásquez Espinoza investigates the medicinal properties of microbes flowing in a sacred boiling river.
17:28
Are There Jobs In Ambitious Climate Action?
Presumed Democratic nominee Joe Biden has unveiled an ambitious $2 trillion plan for climate change—and the economy. These experts think it just might work.
What Will Happen When The Universe Collapses?
Scientists have a good idea about how the universe got to this point. But how will it end? Cosmologist Katie Mack explores one possible end, the Big Crunch.
Why Does ‘Rocky Road’ Ice Cream Sound So Delicious?
How linguistic tricks can influence your choices at the ice cream freezer.
17:01
The Beautiful Spirals Of Sperm Cells On The Move
New tools—and math—are shifting our picture of a vital reproductive cell.
11:52
Will Nations Share Their COVID-19 Vaccines?
As the U.S., Russia, and other nations push forward on COVID-19 vaccine trials, what happens to countries that can’t develop their own?
17:11
How Zero Gravity Can Reveal Basic Biological Questions
Astronauts just bioengineered human cells on the International Space Station.
11:44
What’s The Game Plan For A COVID-19 Outbreak In Pro Sports?
Different sports are using combinations of ‘bubbles,’ testing, and quarantine to try to keep the season in play. But will it all work?