Meet 'Dr. Tatiana,' the professor getting people on TikTok excited about physics Videos of Tatiana Erukhimova's enthusiastic teaching style have gone viral on social media. The secret to her success? It didn't happen overnight. Emma Bowman
Do your kids want a dog? Science may be on their side Kids who have dogs get significantly more physical activity, compared to kids who don't. Researchers followed 600 children over three years, and found young girls got the biggest exercise boost. Maria Godoy
Your appendix is not, in fact, useless. This anatomy professor explains A sudden appendectomy as a child made Heather Smith curious about what the appendix is for and why it gets inflamed. Now as an anatomy researcher, she's finding answers. Selena Simmons-Duffin
Need to track animals around the world? Tap into the 'spider-verse,' scientists say Spiderwebs can capture environmental DNA, or eDNA, from vertebrate animals in their area, potentially making them a useful tool in animal monitoring, tracking and conservation. Ari Daniel
Spiderwebs could offer a snapshot of an ecosystem, study shows Scientists have found that spiderwebs can be used to capture environmental DNA, which reflects the animal population of an area. The technique may help track the biodiversity of an ecosystem. Ari Daniel
Why do moths fly in circles around a light? They can't tell 'up' from 'down' Those insects you see flying in crazed circles are trying to keep their backs towards the light because they think that direction is up, new research suggests. Nell Greenfieldboyce
A Florida park just saw a record number of manatees gather together in its waters Nearly 1,000 manatees gathered at Blue Spring State Park on one of the coldest winter days of the season. Here's why the growing number of manatees at the park is encouraging. Diba Mohtasham
Scientists can tell how fast you're aging. Now, the trick is to slow it down Longevity research is booming. Scientists are looking for ways to target the basic biology of aging. And here's the exciting part: Our biological age appears to be malleable. Allison Aubrey
Coronavirus FAQ: How long does my post-Covid protection last? When is it booster time? How long does immunity last after an infection? Are rapid tests always accurate? How often is a booster in order? In this installment of our FAQ series, we look into questions about "Covid time." Max Barnhart
NASA's Mars helicopter retires after almost 3 years on the planet After almost three years on the Red Planet and 72 flights into the thin Martian atmosphere, NASA's Ingenuity Mars helicopter is ending its mission due to a broken rotor blade. Christopher Intagliata
