All Stories by Claire Yuan
- Environment
More than 4 billion people may not have access to clean water
The new estimate, based on data from 135 low- and middle-income countries, is more than double the World Health Organization’s official count.
- Health & Medicine
The CDC has tightened rabies regulations for imported dogs. Here’s why
Dog rabies was eliminated in the United States in 2007. The new rules on bringing dogs into the country aim to keep it that way.
- Health & Medicine
A new algae-based menstrual pad could stop leaks
By turning period blood into a gel, the pad’s alginate powder filler reduces leakage.
- Health & Medicine
Sepsis tests take days, putting patients at risk. A new method may cut wait time
A faster way to figure out what bacteria is causing a potentially deadly bloodstream infection could let doctors treat it more quickly and efficiently.
- Health & Medicine
Some melanoma cancer cells may punch their way through the body
A new study clarifies how melanoma cells use cell membrane protrusions called “blebs” to burrow through tissue.
- Health & Medicine
This python-inspired device could make rotator cuff surgeries more effective
A new device, modeled after a python’s teeth and grip, could double the strength of rotator cuff repairs and prevent retearing after surgery.
- Health & Medicine
Breastfeeding should take a toll on bones. A brain hormone may protect them
The hormone CCN3 improves bone strength even as breastfeeding saps bones of calcium, a study in mice shows.
- Environment
Federally unprotected streams contribute most of the water to U.S. rivers
A 2023 U.S. Supreme Court ruling that ephemeral streams aren’t protected by the Clean Water Act could have sizable ripple effects, a study suggests.
- Tech
This 3-D printer can fit in the palm of your hand
Researchers developed a chip-based device for 3-D printing objects on the go.
- Paleontology
The last woolly mammoths offer new clues to why the species went extinct
The last population of woolly mammoths did not go extinct 4,000 years ago from inbreeding, a new analysis shows.
- Neuroscience
Pain may take different pathways in men and women
Sex differences in the function of nerve cells in mice, monkeys and humans suggest a new way to treat pain conditions.
