
Where Beach Sand Comes From Is a Wild Story
Beach sand is beautiful—and even more so when you understand the story it tells about our planet
Curated by professional editors, The Conversation offers informed commentary and debate on the issues affecting our world.

Where Beach Sand Comes From Is a Wild Story
Beach sand is beautiful—and even more so when you understand the story it tells about our planet

Popcorn, the Ultimate Snack, May Have Truly Ancient Origins
Popcorn might be more than 6,000 years old, an anthropologist explains

From Diagnosing Brain Disorders to Cognitive Enhancement, 100 Years of EEG Have Transformed Neuroscience
The EEG has shaped researchers’ understanding of cognition for everything from perception to memory

Supreme Court’s Message in First Amendment Case: Tech Is Free to Moderate Social Media
The Supreme Court kicked two cases challenging social media moderation laws in Florida and Texas back to lower courts

Looking for the Best Health Hacks? Try Vaccines!
Vaccines are a cornerstone of a healthy immune system—and a healthy life

How Older People Can Stay Safe from Fraud and Scams
Older people are increasingly becoming the targets of fraudsters. Here’s how to stay safe and what to do if you think you’ve been scammed

Why This Year’s Tornado Season Has Been So Brutal
Wind shear and atmospheric instability have combined to create a brutal tornado season this year

How to Stay Safe during Lightning Storms
Each year in the U.S. lightning strikes 37 million times and kills 21 people on average. Here’s how to stay safe during lightning storms

Badly Designed Streets Are an Overlooked Car Crash Cause, Traffic Engineer Warns
Education and enforcement can only go so far in reducing crashes when badly designed roads are filled with large cars

What Lucy the Ancient Hominin Can Teach Us about Being Naked
Lucy, a 3.2-million-year-old fossilized hominin, may have been much less hairy than we imagine—a perhaps shocking revelation for our modern sense of nakedness

Remembering Lynn Conway, of the Conway Effect, Who Helped Launch the Computing Revolution
Lynn Conway, a trans woman and advocate for LGBTQ rights, was underappreciated and often underrecognized for her work in chip design

Six Ways to Stay Safe Outdoors in Extreme Heat
Sizzling summer days can be a dangerous time to be outside. Here’s what to think about before heading into the heat and how to stay safe

Converting Offices to Apartments Gives Empty Buildings a New Lease on Life
Employees are working remotely, and office buildings are standing empty, inspiring some cities to work through the challenges of converting these structures into new apartments

The Physics of Breakdancing, a New Olympic Sport
Breakdancing will hit the global stage at the 2024 Summer Olympic Games in Paris, and this physicist is excited to break down the science

How to Avoid Summer Germs
From hiking to barbecuing and gardening to swimming, the opportunities for summer fun can also pose health risks. Here’s how to stay safe this summer

Huge Blobs of Seaweed Are Choking the Caribbean’s Iconic White Sand Beaches
Massive blobs of sargassum seaweed are taking over Caribbean beaches. The seaweed explosion is fueled by pollution washing into the ocean from rivers in the Americas and Africa

How to Improve Prospective Memory, the Ability to Remember to Remember
Prospective memory is a skill that can be practiced, making it more likely that someone can remember an appointment or meet a deadline

Many Prenatal Supplements Don’t Provide Enough of Key Nutrients
Most pregnant people take prenatal supplements, but weak regulation means these products don’t necessarily provide the needed nutrients

Cuckoo Chicks Are Sleeper Agents in Evolutionary Arms Race
Cuckoos are “nest pirates” that lay their eggs in other birds’ nests, setting off an evolutionary arms race that leads to the development of new species

Avocado Farms Aren’t Sustainable Now, but They Could Be
Avocados are marketed as a superfood, but growing them for an expanding world market has turned a rural Mexican state into an unsustainable monoculture

Depression, Schizophrenia and Bipolar Disorder Are Linked with Ancient Viral DNA in Our Genome
Retroviruses, some of which predate the human species, are tied to a genetic susceptibility to major psychiatric disorders

The 2024 Hurricane Season Could Be a Dangerous One
The National Hurricane Center’s hurricane season outlook for the Atlantic Ocean forecasts 17 to 25 named storms in 2024 because of an expected combination of warm ocean temperatures and a La Niña climate pattern

Meet Wind Shear, the Phenomenon That Can Rip a Hurricane Apart
An atmospheric scientist explains what wind shear is and how it influences hurricanes

What Is Pasteurization, and How Does It Keep Milk Safe?
The pasteurization process was invented in the 1860s and continues to keep people safe from a range of foodborne illnesses