
This Butterfly’s Epic Migration Is Written into Its Chemistry
Painted ladies travel the globe every year on massive journeys—including across the Sahara

This Butterfly’s Epic Migration Is Written into Its Chemistry
Painted ladies travel the globe every year on massive journeys—including across the Sahara

This Robot Copies Life—By Decomposing
A new soft robotic arm and its controller break down naturally


Dolphins Communicate with ‘Fountains of Pee’
This discovery adds to a growing list of how animals talk with their urine

‘Artificial Nap’ Could Provide Benefits of Sleep—Without Sleeping
Desynchronizing a monkey’s brain with electricity caused a performance boost

To Win Trust and Admiration, Fix Your Microphone
From job interviews to dating, we subconsciously judge one another based on sound quality when we interact digitally

Math Puzzle: Finish the Cycle
Finish the cycle of numbers in this math puzzle

Bending Ultrasonic Beams Creates ‘Audible Enclaves’ Where They Cross
Inaudible ultrasonic beams steered around obstacles can create pockets of sound in an otherwise quiet room, acoustics experts report

An Unlikely Organ Helps to Explain Sherpas’ Aptitude for Altitude
New work reveals a surprising hero in combating altitude sickness

Life on Earth May Have Been Jump-Started by ‘Microlightning’
Charged water droplets generate sparks that can forge organic compounds

These Dogs Can Sniff Out Invasive Species before It’s Too Late
Dogs excel at finding spotted lanternfly eggs in lower-level infestations

What Sniffing Mummies Taught Scientists about an Ancient Society
Mummies’ aromas may provide insight into historical social classes and periods, according to a team of trained mummy sniffers

Earth May Soon Get Early Solar Flare Warnings
Flickering loops in the sun’s corona may appear before dangerous solar activity