Friday, August 4, 2023

Why Do Dogs Tilt Their Head to the Side?

Trouble viewing? View in your browser.
View all Scientific American publications.
    
August 04, 2023

Animals

Why Do Dogs Tilt Their Head to the Side?

The attentive and endearing doggy head tilt might indicate your pup is trying to process what you're saying

By Stephanie Pappas

Mathematics

$1 Million Will Go to the Mathematician Who Busts the 'ABC Conjecture' Theory

The founder of a Japanese media company has offered a large cash prize to anyone who can find a flaw in an unusual proof 

By Manon Bischoff

Oceans

Is A Mega Ocean Current About to Shut Down?

An alarming study predicts an imminent collapse of a mega ocean current, but some experts say the evidence is insufficient

By Chelsea Harvey,E&E News

Paleontology

Bizarre-Looking Colossus Whale May Have Been Heaviest Animal Ever (Sorry, Blue Whales)

"I've never seen anything like it," says a paleontologist not involved in the discovery of a 40-million-year-old fossilized whale

By Meghan Bartels

Animals

These Salamanders Steal Genes and Can Have up to Five Extra Sets of Chromosomes

Unisexual salamanders in the genus Ambystoma appear to be the only creatures in the world that reproduce the way they do. Researchers know how, but the why is still being figured out.

By Aaron Martin

Genetics

How Old Can Humans Get?

An expert on aging thinks humans could live to be 1,000 years old—with a few tweaks to our genetic "software"

By Bill Gifford

Space Exploration

NASA Detects 'Heartbeat' from Voyager 2 Spacecraft after Losing Contact

A glitch may have silenced NASA's Voyager 2 spacecraft until mid-October—but a "heartbeat" signal offers hope for reestablishing contact earlier

By Meghan Bartels

Artificial Intelligence

AI-Generated Data Can Poison Future AI Models

As AI-generated content fills the Internet, it's corrupting the training data for models to come. What happens when AI eats itself?

By Rahul Rao

Renewable Energy

U.S. Looks to Mongolia, Wedged between China and Russia, for Critical Minerals

All routes out of the landlocked country touch China or Russia, presenting diplomatic and physical challenges

By Sara Schonhardt,E&E News

Artificial Intelligence

Here's How AI Can Predict Hit Songs With Frightening Accuracy

New AI technology predicts hit songs—by listening to someone's body. 

By Sophie Bushwick,Lucy Tu | 10:27

Behavior

Scientists Tickle Rats and Discover Brain's 'Play Spot'

By inhibiting part of rats' brain stem, scientists may have found the play center of the brain

By Timmy Broderick
BRING SCIENCE HOME
Shine Bright Like a...Penny!

A chemistry activity that makes good cents Credit: George Retseck

"See a penny, pick it up—all day long you'll have good luck!" Maybe you've heard this phrase before, and maybe you've even stopped to pick up a lucky penny off the sidewalk. But sometimes those pennies you see on the ground look anything but lucky. They appear brown or black, and sometimes they're so dirty looking you can't even tell whether they're pennies!

In this activity we're going to explore why pennies don't stay bright and shiny, and test different methods to bring their shine back!

Try This Experiment
LATEST ISSUES

Questions?   Comments?

Send Us Your Feedback
Download the Scientific American App
Download on the App Store
Download on Google Play

To view this email as a web page, go here.

You received this email because you opted-in to receive email from Scientific American.

To ensure delivery please add newsletters@scientificamerican.com to your address book.

Unsubscribe     Manage Email Preferences     Privacy Policy     Contact Us

Scientific American

1 New York Plaza, FDR Dr, Floor 46, New york, NY 10004

Unsubscribe - Unsubscribe Preferences

Scientist Pankaj

Day in Review: NASA’s New Deep Space Network Antenna Has Its Crowning Moment | Avalanches, Icy Explosions, and Dunes: NASA Is Tracking New Year on Mars | Lab Work Digs Into Gullies Seen on Giant Asteroid Vesta by NASA’s Dawn

Deep Space Station 23's 133-ton reflector dish was recently installed, marking a key step in strengthening NASA's Deep Space...  ...