Featured in ask popsci
Why hasn’t the sun burned out yet?
Our planet's personal space heater is incredibly efficient.
Why do marathon runners get the runs?
It doesn't just work your leg muscles—racing is rough on your intestines, too.
When you get a stitch in your side, what’s really going on?
Doctors still don’t know what causes it, or how to stop it
Is it safe to take expired medication?
They might be okay, but you probably shouldn't.
If everyone became vegetarian, would the planet actually be better off?
Cutting back on red meat is probably the best place to start, but eating the right types of veggies is important, too.
How worried should I really be about carcinogens?
Some concern is beneficial but obsessing is often futile.
Peeing in the pool is actually really bad for you
And everyone else.
Do probiotics actually do anything?
The tiny bugs are marketed as a quick fix, but the body of evidence is miniscule.
What actually causes body odor?
It’s never as smelly as you think it is
What’s the best way to crack an egg? Physics has the answer.
Swiftly, and smack in the middle