It is generally recognised that women are better than men at languages personal relations and multi-tasking but less good at map-reading and spatial awareness. It is therefore not unreasonable to suppose that women might be less good at mathematics and physics.
I used to think that cyberspace was fifty years away. What I thought was fifty years away was only ten years away. And what I thought was ten years away... it was already here. I just wasn't aware of it yet.