
For Dolphins, Echolocation May Be More like ‘Touching’ Than ‘Seeing’
Dolphins seem to “feel” their way across the sea with narrow, sweeping beams of sonar

For Dolphins, Echolocation May Be More like ‘Touching’ Than ‘Seeing’
Dolphins seem to “feel” their way across the sea with narrow, sweeping beams of sonar

Serenading Cells with Audible Sound Alters Gene Activity
Audible sound can affect gene activity in mouse cells, boosting the attachment of muscle precursors to surrounding tissue and decreasing fat accumulation


New Proof Dramatically Compresses Space Needed for Computation
Surprising new work bucks 50 years of assumptions about the trade-offs between computation space and time

Math Puzzle: Fill the Polygon
Puzzle out the sequence of numbers that fill these polygons

Tectonic Plates Can ‘Infect’ One Another with Earth-Shaking Subduction Zones
Evidence from Earth’s deep past suggests dramatic subduction zones can spread like a contagion

Skin Cells ‘Scream’ for Help When Injured
Our skin’s epithelial cells send electrical signals like neurons to cry out for help

See How Animals Sculpt the Planet
This tally of animals’ effect on Earth’s geology, equivalent to that of thousands of extreme floods, most likely is an underestimate

Gorilla Gourmets Really Dig Their Truffles, Study Finds
Researchers followed gorillas for years to uncover truffle-hunting behavior—and it may be socially transmitted

What a Wandering Mind Learns
Zoning out reveals hidden patterns in tasks

Mathematicians Solve Multidimensional Fruit-Slicing Dilemma
A 40-year-old conjecture on shapes’ cross sections is finally proven

Velvet Worm Slime Reveals Its Sticky Secrets
The velvet worm’s extraordinary goo could inspire recyclable bioplastics

Math Puzzle: Measure the Star
Build a special set of dice in this math puzzle