Archaeology
A tattoo experiment hints at how Ötzi the Iceman got his ink
The findings challenge a common idea about how the mummified man got marked with dark lines.
By Bruce Bower
From Molecules to Organisms: Structures and Processes
More Stories in From Molecules to Organisms: Structures and Processes
- Animals
Paw-print DNA lets scientists track out-of-sight polar bears
This environmental DNA can aid in conserving species that are hard or dangerous to observe.
- Life
Scientists Say: Protist
Unified by a few key traits, these diverse organisms come in all shapes and sizes.
- Health & Medicine
The teen brain is especially vulnerable to the harms of cannabis
Today’s concentrated cannabis products — with higher THC levels — may pose greater risks of addiction and psychosis than ever before.
- Tech
Synthetic biology aims to tackle disease and give cells superpowers
DNA machines and protein-mimicking nanotech could replace broken machinery in cells or even lead to made-from-scratch synthetic life.
- Tech
Let’s learn about the benefits of playing video games
Too much screentime poses health risks, but research suggests playing video games can sharpen some skillsets.
- Tech
Balsa wood transistors could usher in ‘greener’ electronics
Researchers in Sweden coaxed wood to conduct electricity, then used it to make a climate-friendlier building block of electronics.
- Animals
These penguins nap 10,000 times a day, for seconds at a time
Such an extreme sleep schedule may help nesting chinstrap penguins protect their young while still getting more than 11 hours of shut-eye.
- Brain
Brain scans hint at how well teens will manage pandemic stress
A study that followed hundreds of teens during the COVID-19 pandemic now suggests why some of them handled long-term stress better than others.
- Tech
Let’s learn about flying drones for science
Airborne robots help researchers keep tabs on wildlife, agriculture and more.
