All Stories
- Chemistry
Experiment: Kimchi chemistry
In this cooking and food science project, we make kimchi from scratch and investigate changes in pH and glucose as it ferments.
- Space
Let’s learn about the Milky Way
At a glance, the Milky Way may look like just a disk of stars. But its structure is actually much more complex.
- Physics
Scientists Say: Supercool
When a liquid is supercooled, it has been chilled below its freezing point without freezing.
- Archaeology
Ötzi the Iceman’s DNA reveals his looks and ancestry
A reanalysis of the ancient guy’s genes shows he was balding and had dark skin. He also had an unusual amount of early farmer ancestry.
- Earth
The sun shines brightest in South America’s Atacama Desert
Solar rays in this high-altitude desert at times rival the light intensity on Venus.
- Tech
With tech, farms can double up to produce both food and power
Agrivoltaics merges agriculture with photovoltaic panels, which generate electricity from sunlight. The combo produces clean energy and edible crops.
- Chemistry
Creation of quantum dots wins 2023 chemistry Nobel
The award honors three scientists who discovered and built quantum dots, which are now used in everything from TVs to medical tools.
- Physics
‘Feathering’ helps explain Gentoos’ record-breaking swim speed
Videos and computer analyses reveal the secrets of the penguins’ superspeed. The results could inspire future underwater vehicles.
- Physics
Efforts to create ultrafast light pulses win 2023 physics Nobel
Pierre Agostini, Ferenc Krausz and Anne L’Huillier won the prize for creating light bursts that last billionths of a billionth of a second.
- Space
Four researchers on Earth are spending a year on ‘Mars’
A crew of four entered Mars Dune Alpha in Houston, Texas. They will remain isolated inside for a year, living and working as if on the Red Planet.
- Health & Medicine
RNA work that led to COVID-19 vaccines wins 2023 Nobel in medicine
Katalin Karikó and Drew Weissman overcame hurdles to using mRNA for medicine. This led to COVID vaccines — and maybe, one day, some for other infections.
- Brain
Neuroscientists decoded a song from brain activity
The technique could help improve communication devices for people who are unable to speak.
