February 7, 2025
Some research shows that e-cigarettes can be a useful tool for quitting cigarettes, but that strategy is hotly contested by scientists. Plus, an investigative journalist outlines how fraud and misconduct have stalled the search for effective Alzheimer’s treatments in a new book. And, why snow has that crisp, clean smell.
12:12
Do We Need Pot To Fight The Opioid Epidemic?
Studies suggest cracking down on legalized marijuana will only make things worse.
17:32
Getting To Know The Placenta
Researchers look to the mysterious organ for a new way of monitoring fetal health during pregnancy.
7:21
Kepler Unveils A New Crop Of Exoplanets
The mission found hundreds of new planet candidates, including 10 possible rocky worlds within their star’s habitable zone.
9:54
Caught On Video: How DNA Replicates
The DNA replication process isn’t exactly like the textbooks say.
34:29
The Cephalo-Inspired Technology Of The Future
From camouflage to jet propulsion, researchers see these tentacled creatures as inspiration for their biomimetic designs.
John Steinbeck And The Mystery Of The Humboldt Squid
In 1940, John Steinbeck helped catalog wildlife in the Sea of Cortez. Now, a new creature lurks beneath the ultramarine waters.
Meet Our Cephalopod Masters
Why do we love cephalopods? They’re smart, cute, and…well…really weird.
How Lake Fish Are Coping With Pollution
Author Dan Egan tells the story of one of the last Great Lakes fisherman who witnesses the adaptation of a fish to Lake Michigan’s polluted ecosystem.
Cephalopod Week
June 14-21, 2024: Science Friday’s yearly eight-day celebration of our favorite smart marine invertebrates!
7:37
A Gene-Stealing Salamander, A Solar Companion, And French Fry Safety
Plus, involuntary manslaughter charges are brought against several officials in connection with the Flint, Michigan water crisis.
4:28
Could An Amazon Pharmacy Be A Prescription For Disaster?
A look at the potential costs and benefits of Amazon entering the pharmacy business.
8:12
Space Life Could Give You An Extra Head (If You’re A Flatworm)
Researchers look to a simple organism to study how living in space might affect humans on a cellular level.
8:48
The Mindset For A Milkshake
The mind exerts a subtle but powerful control over what we choose to eat—and even how our bodies metabolize it.
12:02
Why Theoretical Physics Says The US Is Ungovernable
No one, not even Donald Trump, could make such a complex system like the U.S. government work.
34:39
Can The Great Lakes Stay Great?
The North American Great Lakes are changing under the influence of pollution, invasive species, and climate change. How well will they weather this stress?
15:57
Love And War In The World Of The Cephalopod
The fourth annual Cephalopod Week kicks off with a cephalopod matchmaker and a researcher studying octopus defenses.
Love, Octopus-ly
Full-time biologist—part-time cephalopod matchmaker, Richard Ross invites us into his secret home lab where he studies the mating rituals of the lesser Pacific striped Octopus.
The Giant Squid’s Biggest Mystery
Estimating how many giant squid are lurking in the deep ocean seemed unfathomable…until now!
Make A Secret Marshmallow Message
Use the chemistry of the Maillard reaction to spell out an edible secret marshmallow message as you toast your treat!