All Stories
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Math puzzle: The conundrum of sharing
Solve the math puzzle from our June 2025 issue, in which friends must find ways to all enjoy hot mud beds.
- Health & Medicine
Wet fingers always wrinkle in the same way
Pruney fingertips aren't swollen sponges — the wrinkles actually come from blood vessels constricting and pulling skin inward.
- Paleontology
Sloths once came in a dizzying array of sizes. Here’s why
A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.
- Health & Medicine
It’s tricky to transplant a bladder. How surgeons finally did it
The person who received the bladder is doing well, and the successful transplant could offer hope to thousands of people with bladder dysfunction.
- Climate
Penguin poop gives Antarctic cloud formation a boost
Penguin poop provides ammonia for cloud formation in coastal Antarctica, potentially helping to mitigate the impacts of climate change in the region.
- Science & Society
Trump’s ‘Golden Dome’ plan has a major obstacle: Physics
Scientists suggest the missile defense plan will face big hurdles, especially given its projected timeline and cost.
- Health & Medicine
Don’t wait until menopause to strengthen your bones
Screening for osteoporosis is recommended at age 65, but experts say women should be proactive about bone health long before that.
- Earth
Gamma rays flared as this lightning bolt formed
Thunderstorms are known to generate gamma rays, the highest energy radiation on Earth. But pinning the burst to a specific bolt is new.
- Artificial Intelligence
A new AI-based weather tool surpasses current forecasts
The AI tool used machine learning to outperform current weather simulations, offering faster, cheaper, more accurate forecasts.
- Physics
Scientists used a levitating magnet to hunt for dark matter
The quantum-based magnet technique could allow scientists to spot ultralight dark matter particles.
- Health & Medicine
FDA significantly limits access to COVID-19 vaccines
The new framework unveiled May 20 says new COVID-19 shots should go only to those ages 65 and up or with underlying medical conditions.
- Health & Medicine
Biden’s prostate cancer is incurable, but it is treatable
Experts explain the science behind Biden's advanced prostate cancer diagnosis, including how common it is and what treatments are available.
