All Stories
- Health & Medicine
How much water should you drink a day? It depends on several factors.
A study of more than 5,000 people in 23 countries finds that individual water need varies widely depending on physical and environmental factors.
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This was a year of both triumphs and challenges
Science News editor in chief Nancy Shute reviews the scientific advancements from the past year.
- Health & Medicine
Why pandemic fatigue and COVID-19 burnout took over in 2022
As public health guidelines loosened this year, people were left to weigh COVID-19 risks on their own. It was confusing, frustrating and exhausting.
- Physics
50 years ago, physicists found the speed of light
In the 1970s, scientists set a new maximum speed limit for light. Fifty years later, they continue putting light through its paces.
- Health & Medicine
Brief bursts of activity offer health benefits for people who don’t exercise
Non-exercisers who had brief bouts of vigorous day-to-day activity saw a reduced risk of death comparable to that of people who exercise regularly.
- Chemistry
How to make tiny metal snowflakes
In a pool of molten gallium, researchers grew symmetrical, hexagonal zinc nanostructures that resemble natural snowflakes.
- Math
The metric system is growing. Here’s what you need to know
Science News spoke with a metrologist about the metric system’s latest update, which will help scientists interpret exceedingly big and small numbers.
- Astronomy
A bizarre gamma-ray burst breaks the rules for these cosmic eruptions
The 50-second gamma-ray burst is the first that unambiguously breaks the rule that long bursts usually come from supernovas.
- Astronomy
In 2022, the James Webb Space Telescope brought us new views of the cosmos
Science News looks back at some of the most stunning images from the James Webb telescope’s first year in space.
- Microbes
The ancestor to modern brewing yeast has been found hiding in Ireland
Previously found in Patagonia and elsewhere, the brewing yeast Saccharomyces eubayanus has been found in Europe for the first time.
- Paleontology
Armored dinos may have used their tail clubs to bludgeon each other
Broken and healed spikes on Zuul's flanks are consistent with the armored beast receiving a mighty blow from the tail club of another ankylosaur.
- Science & Society
These are our favorite science books of 2022
Books about dinosaurs, the Milky Way and the coronavirus are among the Science News staff’s picks for must-read books of the year.
