Scientists Just Found a Way to Regrow Your Tooth Enamel—And It Could Be Available Next Year

The hardest substance in the human body, tooth enamel, has a major weakness—it can’t regrow. Science is working to fix that.

Wildfires Make Sounds We Can’t Hear—and That Could Help Us Extinguish Them Faster

Detecting new wildfires is our first line of defense against their disastrous spread, and some researchers wonder if ...

Scientists Uncovered a Hidden Switch Inside Our Cells That Could Slow—or Even Reverse—Aging

Mitochondria have long been understood as the powerhouse of the cell. Are they also the powerhouse of rejuvenation?

Archaeologists Found a Floor Stone Covered in Runes—and It Might Be a 1,000-Year-Old Tombstone

Ancient runestones are rare in the Faroe Islands, but one has recently surfaced at an archaeological site on the island of ...

A ‘Monster’ Disaster Could Hit This Fall, Research Shows. It May Rival One of the Strongest Ever Recorded.

“Only 7 El Niño events in the last 75 years have reached this level,” L’Heureux says. “It is entirely possible that we see ...

There’s a Vast Network Beneath Your Feet—And It Could Be Conscious, Some Theories Claim

More broadly, some scientists believe in a hypothesis called the Cellular Basis of Consciousness, which suggests that “life ...

Even Realities G2 A.I. Smart Glasses Review: A Rough Draft of A.I.’s Wearable Workwear Future

These productivity-focused smart glasses ditch the POV cameras in favor of microdisplays and A.I. organization that make ...

Hoover Dam Is Losing Power. Inside the ‘Slowest-Moving Train Wreck in History’

The Colorado River is approaching thresholds its dams were never meant to cross. What happens next could transform how water and electricity move across the American Southwest.

A Warship Sank After a Training Exercise 118 Years Ago. Divers Just Found Its Ominous Wreckage.

In 1908, two British Royal Navy ships collided during a training mission in the English Channel, sinking the HMS Tiger. After ...

AI Just Designed New Viruses From Scratch. What Could Go Wrong?

While these viruses could offer a new weapon in the fight against antimicrobial resistance, the breakthrough also raises ...

The 9 Best Fixed-Blade Knives Built for Hunting, Camping, and Hard Use That Won’t Fold Under Pressure

Fixed-blade knives are one of humanity's oldest tools, but they're far from obsolete. While folding pocket knives are more ...

Uh, We’re Running Out of Sand—And It’s a Bigger Problem than You Might Think

We mine more sand every year than any other solid material, and scientists warn that we’re taking more than the planet can ...