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.
11:13
Following The Burnt Crumbs To The Rise Of Bread
By analyzing bits of burnt bread, scientists determined that breadmaking may pre-date the agricultural revolution.
22:11
What We Know—And Don’t Know—About Human Heredity
What does heredity actually mean? Carl Zimmer finds out in his book ‘She Has Her Mother’s Laugh: The Powers, Perversions, and Potential of Heredity.’
Hacer pintura de relieve (3D) con almidón
Algo gracioso sucede cuando se agrega almidón de maíz a un líquido y se calienta la mezcla: se vuelve muy, muy espesa, o viscosa.
Haz paletas de fruta superenfriada
¿Cómo puedes superenfriar agua, y qué hace que al final se congele como sólido?
Crea una arena rara
¿Qué sucede cuando cambias las propiedades de la arena para que se vuelva hidrófoba, o “repelente al agua”?
Crea un mensaje secreto con malvaviscos
Con un poco de química, puedes controlar dónde y cuándo aparezca ese color tostado, y crear un mensaje oculto en un malvavisco.
It’s Time For A Time Traveler Cocktail Party!
On August 21 in NYC, experience Stephen Hawking’s ‘A Brief History of Time’ through games and curious concoctions.
Book Club: ‘A Brief History Of Time’
It’s time to dust off that old copy that’s been on your bookshelf for 10 years.
‘A Brief History Of Time’: Artist Challenge
The Science Friday Book Club invites you to submit your artistic imaginings of Stephen Hawking’s visions of the universe.
7:50
Trying To Build A Computer As Powerful As The Human Brain
Brain-inspired computing hits a new milestone, the neural networks of a noisy fish, and other subjects in science news.
3:56
Under Climate Change, The AC Giveth And The AC Taketh Away
Air conditioning can save lives on the hottest summer days. But as the climate warms, what happens when we need more cooling power?
17:13
Tracing A Neutrino’s 4 Billion Light-Year Journey
Scientists were able to pinpoint the origin of a high-energy neutrino to a supermassive black hole for the first time.
12:06
The Chemistry Behind Nerve Agents
Why a brush with the deadly substance isn’t always fatal.
9:51
Not The Last Straw, But A Different One
Companies are looking for alternatives to the ubiquitous plastic drinking straw.
7:06
The Scientific Strategy Of Soccer Dives
It’s all about the dynamics of risk and reward.
16:35
What Makes Your Brain Happy?
Laurie Santos studies primate cognition—and teaches about the psychology of happiness.
16:49
Read ‘A Brief History of Time’ With The SciFri Book Club!
This summer, we’re remembering the late Stephen Hawking and diving into his landmark work on black holes, the Big Bang, and the nature of the universe.
A Celebration Of Great Science Writing!
On August 16 in Chicago, ‘Undiscovered’ host Annie Minoff joins authors David Quammen and Sy Montgomery for an evening of literary discovery.
If You Smelt It, The Corpse Flower Dealt It
A corpse flower bloomed at the New York Botanical Garden. Its smell lives up to its name.