A photo of a long‑expired tube of toothpaste—dating all the way back to 1988—has gone viral on Reddit, attracting more than 50,000 upvotes. The reason? As the caption puts it: “Mom is using toothpaste ...

A world-first study will test whether reducing the time teenagers spend on social media really does improve their mental health. But the results aren’t due until mid-2027, by which time further ...

Linda Bartoshuk has received funding from NIH. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

Periodontitis is widespread and can have serious consequences for overall health. Researchers at Fraunhofer have identified a substance that selectively inhibits only those bacteria that cause ...

Q. I’m 76 years old, and I’ve taken an aspirin every day since I was 28 because of arthritis. Although cancer runs in my family on both sides, I’ve never had cancer of any sort. My dad died of ...

Belly in the dust, Guan Heng risked everything to film sites in China’s north-western region of Xinjiang. Once uploaded online his videos showed the world where Chinese authorities were detaining ...

"Curious if the toothpaste hair dye hack really works? In this video, we test out the viral DIY method to see if toothpaste can actually color your hair. We’ll walk through the process, results, and ...

Picture a student with ADHD whose hallmark symptoms include struggling to sit still and focus for extended periods of time, especially when the subject holds little interest. Then picture that same ...