Claire Maldarelli

Runners aren’t supposed to change up their routines on race day. That’s why Abebe Bikila ran the 1960 Olympic marathon in Rome barefoot.

Weed isn’t going to help you win the Olympic Gold. Does marijuana improve athletic performance?

Because it kills both good and bad bacteria, hand sanitizer should be used sparingly, and only in situations that truly warrant it.

The most painful part of a workout often comes after the exercise itself. The day after a hard run or an intense lifting session, almost everyone feels the pain associated with sore muscles. Researchers call this phenomenon DOMS, or delayed onset muscle soreness, and it’s the reason many of us turn …

The Biden Administration pledged $3.2 million to combat COVID-19 and future pandemics by searching for antivirals and other treatments.

Here’s what you need to know about the new CDC mask guidelines. Americans who are fully vaccinated can unmask in many places, indoors and outside.

Leftover rocket debris is expected to hit Earth this weekend but the exact location remains unclear. Here’s everything you need to know.

The world is teeming with colors, but humans don’t see every color on the light spectrum. There is a whole world of color that we can’t recognize.

More than 50 million Americans experience allergies each year, making them the 6th leading cause of chronic illness in the U.S. But what exactly is an allergy?

Your brain does something special when you daydream—and chances are, it’s healthy for you.

When you think ‘virus,’ you’re probably thinking of bugs that cause COVID-19, HPV, or HIV. But are there good any viruses?

After reviewing data on the Johnson & Johnson vaccine, a panel of experts determined that the shot does carry a minor risk of clots, but should continue.

Is red meat healthy? What are the actual benefits of not eating red meat? And how much iron is in red meat anyway?

Most people will fall into an average range of between five and six feet. Why did we land at that particular height—and why aren’t we taller?

Can you turn your immune system into a bug-fighting ninja, ready to strike at any infectious critter it comes across? Well... sort of. Find out on the latest episode of Ask Us Anything, a podcast by Popular Science.

Johnson & Johnson’s vaccine is more effective than you might think. Here’s everything you need to know this week.

What can Neanderthal DNA from half a million years ago teach us about COVID-19 immunity and reproductive issues? Surprisingly a lot.

Here’s what you can do right now to protect yourself from getting a new COVID-19 variant.

A study out this week in the journal Science, suggests that over the next few years, the novel coronavirus could morph into a seasonal disease, similar to the common cold or, at worst, the yearly influenza bug.

How can we benefit from screen time without letting it destroy our sense of calm? The answer is simpler than you might think.