November 22, 2024
On the 50th anniversary of Lucy’s discovery, paleoanthropologists reflect on what she taught us about ourselves. Plus, divers have recovered seeds of a long-lost rye variety from a 146-year-old shipwreck in Lake Huron. And, a potato researcher explains potato varieties, potato nutrition, and some tubular tuber facts.
6:52
Why Your Dentist Is Wrong About Flossing, a Stellar Void, and More
Paltry evidence in support of flossing, and more science news from the week.
10:13
The Physics of the Fastest Swim Strokes
The speediest strokes may not be the splashiest. What are the fluid dynamics behind the dolphin and fish kick?
17:45
The Vulnerability Of U.S. Voting Systems
If hackers are targeting the servers of political campaigns, might attacks on election systems themselves soon follow?
5:27
Read ‘Oryx and Crake’ With the #SciFriBookClub
This summer, enter Margaret Atwood’s dystopian world of bioengineering gone wild.
16:51
Is a Healthier English Bulldog Possible?
If breeding is to save the debilitated bulldog, more genetic diversity is probably necessary. But is there enough?
12:09
The Replication Game: How Well Do Psychology Studies Hold Up?
Researchers have created a new system to test influential papers for reproducibility.
17:35
The World According to Microbes
In “I Contain Multitudes,” author Ed Yong examines the connections between species and ecosystems—from a microbial point of view.
Alone in a Post-Apocalyptic World
Margaret Atwood’s novel “Oryx and Crake” is told from the perspective of the lone human survivor of a mysterious catastrophe.
5:31
How Can We Keep the Endangered Vaquita from Vanishing?
Researchers are investigating a conservation strategy that would place some vaquitas in preserves in their natural habitat.
33:36
Margaret Atwood On The Science Behind ‘Oryx And Crake’
In this archival interview, the award-winning author calls the novel a form of “speculative fiction.”
The Sands Of Earth, And Beyond
Gary Greenberg uses 3D microscopes to inspect the diversity of sand grains.
7:17
A Health Check-Up for Dolly’s ‘Sister Clones’
Four sheep cloned from the same cell line as Dolly got a health check-up and showed no physical signs of premature aging.
9:37
A Creative Approach to Controlling a Deadly Snail
Freshwater snails take more lives than sharks each year.
17:06
Staying Healthy in Space
Weightlessness and radiation both take a toll on the body, in ways we still don’t fully understand.
11:26
Should People Be Made Stronger, Faster, or Smarter Through Technology?
A new survey finds many Americans are dubious about using certain new technologies for human enhancement.
17:31
How Hashtags, Texts, and Tweets Are Influencing Digital Language
What’s the difference between this, THIS, and #this?
4:18
New Zealand Chooses to Save Prey Over Predator
The plan to save native avian species means targeting non-native predators.
7:43
A New Antibiotic in the Nose, A Possible Ancient Ancestor of All Life, and More
How our own nasal microbiome could lead to new antibiotics, plus other short topics in science.
16:44
A Celebration of the Life in Flight Around Your Porch Light
We join the fifth annual celebration of National Moth Week.
Go Mothing!
All you need to observe moths is a sheet, a light, and good weather.