It's not uncommon in South Korea for a building to not have a women's bathroom.

Only in space did I realize how lucky I am to be Korean. Only in Korea could I have gone to space before turning 30 years old.

California is an easy place to be an Asian woman engineer.

On Earth, men are seen as superior because of their physical strength, but it means nothing in space, where there is no gravity.

Hard as it is to imagine, there's a move afoot in Congress to take away the public's free online access to tax-funded medical research findings. That would be bad for medical discovery, bad for patients looking for the latest research results, and another rip-off of the American taxpayer.

When I was a young man in school, I used to read science fiction and really liked it. And as I became a young artist, I was filling up my portfolio with alien planets and spacecraft and things like that.

A lot of comic conventions go way beyond comic books and include other parts of pop culture, like celebrities and science fiction and movies and books. So I go to them either as a celebrity, or as a fan, because I'm a big sci-fi geek.

Modern science tells us that the conscious self arises from a purely physical brain. We do not have immaterial souls.